Home / 10,342,369.90-15,513,554.85-8,748,046.90

Finding the Fourth Proportional to 10,342,369.90, 15,513,554.85 and 8,748,046.90

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Solution

The fourth proportional to 10,342,369.90, 15,513,554.85 and 8,748,046.90 is: 13,122,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,369.90 : 15,513,554.85 = 8,748,046.90 : x
  2. Step 2: Convert to fraction form
    10,342,369.90/15,513,554.85 = 8,748,046.90/x
  3. Step 3: Cross multiply
    10,342,369.90x = 15,513,554.85 × 8,748,046.90
  4. Step 4: Simplify right side
    10,342,369.90x = 135,713,305,413,522.47
  5. Step 5: Solve for x
    x = 135,713,305,413,522.47/10,342,369.90
  6. Step 6: Final answer
    x = 13,122,070.35

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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.