Home / 18,563,127.52-27,872,024.91-10,381,798.82

Finding the Fourth Proportional to 18,563,127.52, 27,872,024.91 and 10,381,798.82

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Solution

The fourth proportional to 18,563,127.52, 27,872,024.91 and 10,381,798.82 is: 15,587,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563,127.52 : 27,872,024.91 = 10,381,798.82 : x
  2. Step 2: Convert to fraction form
    18,563,127.52/27,872,024.91 = 10,381,798.82/x
  3. Step 3: Cross multiply
    18,563,127.52x = 27,872,024.91 × 10,381,798.82
  4. Step 4: Simplify right side
    18,563,127.52x = 289,361,755,321,648.62
  5. Step 5: Solve for x
    x = 289,361,755,321,648.62/18,563,127.52
  6. Step 6: Final answer
    x = 15,587,985.11

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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.