Home / 7,186,100.40-10,779,150.60-6,220,321.20

Finding the Fourth Proportional to 7,186,100.40, 10,779,150.60 and 6,220,321.20

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Solution

The fourth proportional to 7,186,100.40, 10,779,150.60 and 6,220,321.20 is: 9,330,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186,100.40 : 10,779,150.60 = 6,220,321.20 : x
  2. Step 2: Convert to fraction form
    7,186,100.40/10,779,150.60 = 6,220,321.20/x
  3. Step 3: Cross multiply
    7,186,100.40x = 10,779,150.60 × 6,220,321.20
  4. Step 4: Simplify right side
    7,186,100.40x = 67,049,778,995,172.72
  5. Step 5: Solve for x
    x = 67,049,778,995,172.72/7,186,100.40
  6. Step 6: Final answer
    x = 9,330,481.80

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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.