Home / 21,541,853.61-29,726,721.68-11,751,713.93

Finding the Fourth Proportional to 21,541,853.61, 29,726,721.68 and 11,751,713.93

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Solution

The fourth proportional to 21,541,853.61, 29,726,721.68 and 11,751,713.93 is: 16,216,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541,853.61 : 29,726,721.68 = 11,751,713.93 : x
  2. Step 2: Convert to fraction form
    21,541,853.61/29,726,721.68 = 11,751,713.93/x
  3. Step 3: Cross multiply
    21,541,853.61x = 29,726,721.68 × 11,751,713.93
  4. Step 4: Simplify right side
    21,541,853.61x = 349,339,929,275,647.25
  5. Step 5: Solve for x
    x = 349,339,929,275,647.25/21,541,853.61
  6. Step 6: Final answer
    x = 16,216,799.89

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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.