Home / 10,412,715.57-15,629,148.55-5,025,158.52

Finding the Fourth Proportional to 10,412,715.57, 15,629,148.55 and 5,025,158.52

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Solution

The fourth proportional to 10,412,715.57, 15,629,148.55 and 5,025,158.52 is: 7,542,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412,715.57 : 15,629,148.55 = 5,025,158.52 : x
  2. Step 2: Convert to fraction form
    10,412,715.57/15,629,148.55 = 5,025,158.52/x
  3. Step 3: Cross multiply
    10,412,715.57x = 15,629,148.55 × 5,025,158.52
  4. Step 4: Simplify right side
    10,412,715.57x = 78,538,948,996,378.14
  5. Step 5: Solve for x
    x = 78,538,948,996,378.14/10,412,715.57
  6. Step 6: Final answer
    x = 7,542,600.05

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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.