Home / 21,541,681.27-29,727,616.58-11,752,095.79

Finding the Fourth Proportional to 21,541,681.27, 29,727,616.58 and 11,752,095.79

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Solution

The fourth proportional to 21,541,681.27, 29,727,616.58 and 11,752,095.79 is: 16,217,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541,681.27 : 29,727,616.58 = 11,752,095.79 : x
  2. Step 2: Convert to fraction form
    21,541,681.27/29,727,616.58 = 11,752,095.79/x
  3. Step 3: Cross multiply
    21,541,681.27x = 29,727,616.58 × 11,752,095.79
  4. Step 4: Simplify right side
    21,541,681.27x = 349,361,797,656,552.12
  5. Step 5: Solve for x
    x = 349,361,797,656,552.12/21,541,681.27
  6. Step 6: Final answer
    x = 16,217,944.80

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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.