Home / 10,103,790.60-15,155,685.90-9,324,343.80

Finding the Fourth Proportional to 10,103,790.60, 15,155,685.90 and 9,324,343.80

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Solution

The fourth proportional to 10,103,790.60, 15,155,685.90 and 9,324,343.80 is: 13,986,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103,790.60 : 15,155,685.90 = 9,324,343.80 : x
  2. Step 2: Convert to fraction form
    10,103,790.60/15,155,685.90 = 9,324,343.80/x
  3. Step 3: Cross multiply
    10,103,790.60x = 15,155,685.90 × 9,324,343.80
  4. Step 4: Simplify right side
    10,103,790.60x = 141,316,825,856,412.44
  5. Step 5: Solve for x
    x = 141,316,825,856,412.44/10,103,790.60
  6. Step 6: Final answer
    x = 13,986,515.70

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Double scale
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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.