Home / 42,397,638.12-63,561,706-15,088,379.88

Finding the Fourth Proportional to 42,397,638.12, 63,561,706 and 15,088,379.88

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Solution

The fourth proportional to 42,397,638.12, 63,561,706 and 15,088,379.88 is: 22,620,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,397,638.12 : 63,561,706 = 15,088,379.88 : x
  2. Step 2: Convert to fraction form
    42,397,638.12/63,561,706 = 15,088,379.88/x
  3. Step 3: Cross multiply
    42,397,638.12x = 63,561,706 × 15,088,379.88
  4. Step 4: Simplify right side
    42,397,638.12x = 959,043,165,948,875.38
  5. Step 5: Solve for x
    x = 959,043,165,948,875.38/42,397,638.12
  6. Step 6: Final answer
    x = 22,620,202.65

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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.