Home / 21,206,180.29-29,266,904.10-12,838,162.42

Finding the Fourth Proportional to 21,206,180.29, 29,266,904.10 and 12,838,162.42

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Solution

The fourth proportional to 21,206,180.29, 29,266,904.10 and 12,838,162.42 is: 17,718,102.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,206,180.29 : 29,266,904.10 = 12,838,162.42 : x
  2. Step 2: Convert to fraction form
    21,206,180.29/29,266,904.10 = 12,838,162.42/x
  3. Step 3: Cross multiply
    21,206,180.29x = 29,266,904.10 × 12,838,162.42
  4. Step 4: Simplify right side
    21,206,180.29x = 375,733,268,366,363.94
  5. Step 5: Solve for x
    x = 375,733,268,366,363.94/21,206,180.29
  6. Step 6: Final answer
    x = 17,718,102.14

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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.