Home / 15,097,972.08-20,835,791.28-8,572,208.88

Finding the Fourth Proportional to 15,097,972.08, 20,835,791.28 and 8,572,208.88

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Solution

The fourth proportional to 15,097,972.08, 20,835,791.28 and 8,572,208.88 is: 11,829,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,097,972.08 : 20,835,791.28 = 8,572,208.88 : x
  2. Step 2: Convert to fraction form
    15,097,972.08/20,835,791.28 = 8,572,208.88/x
  3. Step 3: Cross multiply
    15,097,972.08x = 20,835,791.28 × 8,572,208.88
  4. Step 4: Simplify right side
    15,097,972.08x = 178,608,755,032,242.59
  5. Step 5: Solve for x
    x = 178,608,755,032,242.59/15,097,972.08
  6. Step 6: Final answer
    x = 11,829,983.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.