Home / 42,127,971.30-63,156,964.95-17,885,513.70

Finding the Fourth Proportional to 42,127,971.30, 63,156,964.95 and 17,885,513.70

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Solution

The fourth proportional to 42,127,971.30, 63,156,964.95 and 17,885,513.70 is: 26,813,414.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,127,971.30 : 63,156,964.95 = 17,885,513.70 : x
  2. Step 2: Convert to fraction form
    42,127,971.30/63,156,964.95 = 17,885,513.70/x
  3. Step 3: Cross multiply
    42,127,971.30x = 63,156,964.95 × 17,885,513.70
  4. Step 4: Simplify right side
    42,127,971.30x = 1,129,594,761,863,644.75
  5. Step 5: Solve for x
    x = 1,129,594,761,863,644.75/42,127,971.30
  6. Step 6: Final answer
    x = 26,813,414.63

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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.