Home / 10,080,292.70-15,120,439.05-9,041,030.30

Finding the Fourth Proportional to 10,080,292.70, 15,120,439.05 and 9,041,030.30

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Solution

The fourth proportional to 10,080,292.70, 15,120,439.05 and 9,041,030.30 is: 13,561,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,292.70 : 15,120,439.05 = 9,041,030.30 : x
  2. Step 2: Convert to fraction form
    10,080,292.70/15,120,439.05 = 9,041,030.30/x
  3. Step 3: Cross multiply
    10,080,292.70x = 15,120,439.05 × 9,041,030.30
  4. Step 4: Simplify right side
    10,080,292.70x = 136,704,347,600,353.23
  5. Step 5: Solve for x
    x = 136,704,347,600,353.23/10,080,292.70
  6. Step 6: Final answer
    x = 13,561,545.45

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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.