Home / 10,342,384.90-15,513,577.35-8,748,061.90

Finding the Fourth Proportional to 10,342,384.90, 15,513,577.35 and 8,748,061.90

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Solution

The fourth proportional to 10,342,384.90, 15,513,577.35 and 8,748,061.90 is: 13,122,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,384.90 : 15,513,577.35 = 8,748,061.90 : x
  2. Step 2: Convert to fraction form
    10,342,384.90/15,513,577.35 = 8,748,061.90/x
  3. Step 3: Cross multiply
    10,342,384.90x = 15,513,577.35 × 8,748,061.90
  4. Step 4: Simplify right side
    10,342,384.90x = 135,713,734,948,237.97
  5. Step 5: Solve for x
    x = 135,713,734,948,237.97/10,342,384.90
  6. Step 6: Final answer
    x = 13,122,092.85

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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.