Home / 7,126,080.80-10,689,121.20-6,241,344.80

Finding the Fourth Proportional to 7,126,080.80, 10,689,121.20 and 6,241,344.80

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Solution

The fourth proportional to 7,126,080.80, 10,689,121.20 and 6,241,344.80 is: 9,362,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126,080.80 : 10,689,121.20 = 6,241,344.80 : x
  2. Step 2: Convert to fraction form
    7,126,080.80/10,689,121.20 = 6,241,344.80/x
  3. Step 3: Cross multiply
    7,126,080.80x = 10,689,121.20 × 6,241,344.80
  4. Step 4: Simplify right side
    7,126,080.80x = 66,714,491,018,189.75
  5. Step 5: Solve for x
    x = 66,714,491,018,189.75/7,126,080.80
  6. Step 6: Final answer
    x = 9,362,017.20

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Half scale
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Double scale
Find fourth proportional to 7,126,081.80, 10,689,122.70 and 6,241,345.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.