Home / 21,518,706.24-29,695,822.97-12,226,288.13

Finding the Fourth Proportional to 21,518,706.24, 29,695,822.97 and 12,226,288.13

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Solution

The fourth proportional to 21,518,706.24, 29,695,822.97 and 12,226,288.13 is: 16,872,282.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,518,706.24 : 29,695,822.97 = 12,226,288.13 : x
  2. Step 2: Convert to fraction form
    21,518,706.24/29,695,822.97 = 12,226,288.13/x
  3. Step 3: Cross multiply
    21,518,706.24x = 29,695,822.97 × 12,226,288.13
  4. Step 4: Simplify right side
    21,518,706.24x = 363,069,687,790,441.12
  5. Step 5: Solve for x
    x = 363,069,687,790,441.12/21,518,706.24
  6. Step 6: Final answer
    x = 16,872,282.36

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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.