Home / 42,127,974.80-63,156,970.20-17,885,517.20

Finding the Fourth Proportional to 42,127,974.80, 63,156,970.20 and 17,885,517.20

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Solution

The fourth proportional to 42,127,974.80, 63,156,970.20 and 17,885,517.20 is: 26,813,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,127,974.80 : 63,156,970.20 = 17,885,517.20 : x
  2. Step 2: Convert to fraction form
    42,127,974.80/63,156,970.20 = 17,885,517.20/x
  3. Step 3: Cross multiply
    42,127,974.80x = 63,156,970.20 × 17,885,517.20
  4. Step 4: Simplify right side
    42,127,974.80x = 1,129,595,076,811,987.50
  5. Step 5: Solve for x
    x = 1,129,595,076,811,987.50/42,127,974.80
  6. Step 6: Final answer
    x = 26,813,419.88

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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.