Home / 42,734,487.70-64,101,731.55-12,443,338.90

Finding the Fourth Proportional to 42,734,487.70, 64,101,731.55 and 12,443,338.90

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Solution

The fourth proportional to 42,734,487.70, 64,101,731.55 and 12,443,338.90 is: 18,665,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,734,487.70 : 64,101,731.55 = 12,443,338.90 : x
  2. Step 2: Convert to fraction form
    42,734,487.70/64,101,731.55 = 12,443,338.90/x
  3. Step 3: Cross multiply
    42,734,487.70x = 64,101,731.55 × 12,443,338.90
  4. Step 4: Simplify right side
    42,734,487.70x = 797,639,569,753,472.25
  5. Step 5: Solve for x
    x = 797,639,569,753,472.25/42,734,487.70
  6. Step 6: Final answer
    x = 18,665,008.35

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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.