Home / 42,612,491.40-63,944,981.10-18,363,035.40

Finding the Fourth Proportional to 42,612,491.40, 63,944,981.10 and 18,363,035.40

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Solution

The fourth proportional to 42,612,491.40, 63,944,981.10 and 18,363,035.40 is: 27,555,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,612,491.40 : 63,944,981.10 = 18,363,035.40 : x
  2. Step 2: Convert to fraction form
    42,612,491.40/63,944,981.10 = 18,363,035.40/x
  3. Step 3: Cross multiply
    42,612,491.40x = 63,944,981.10 × 18,363,035.40
  4. Step 4: Simplify right side
    42,612,491.40x = 1,174,223,951,591,630.75
  5. Step 5: Solve for x
    x = 1,174,223,951,591,630.75/42,612,491.40
  6. Step 6: Final answer
    x = 27,555,862.45

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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.