Home / 7,187,066.40-10,780,599.60-6,599,200.80

Finding the Fourth Proportional to 7,187,066.40, 10,780,599.60 and 6,599,200.80

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Solution

The fourth proportional to 7,187,066.40, 10,780,599.60 and 6,599,200.80 is: 9,898,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,066.40 : 10,780,599.60 = 6,599,200.80 : x
  2. Step 2: Convert to fraction form
    7,187,066.40/10,780,599.60 = 6,599,200.80/x
  3. Step 3: Cross multiply
    7,187,066.40x = 10,780,599.60 × 6,599,200.80
  4. Step 4: Simplify right side
    7,187,066.40x = 71,143,341,504,799.67
  5. Step 5: Solve for x
    x = 71,143,341,504,799.67/7,187,066.40
  6. Step 6: Final answer
    x = 9,898,801.20

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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.