Home / 27,842,572.52-38,423,012.28-15,619,691.96

Finding the Fourth Proportional to 27,842,572.52, 38,423,012.28 and 15,619,691.96

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Solution

The fourth proportional to 27,842,572.52, 38,423,012.28 and 15,619,691.96 is: 21,555,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842,572.52 : 38,423,012.28 = 15,619,691.96 : x
  2. Step 2: Convert to fraction form
    27,842,572.52/38,423,012.28 = 15,619,691.96/x
  3. Step 3: Cross multiply
    27,842,572.52x = 38,423,012.28 × 15,619,691.96
  4. Step 4: Simplify right side
    27,842,572.52x = 600,155,615,988,897.38
  5. Step 5: Solve for x
    x = 600,155,615,988,897.38/27,842,572.52
  6. Step 6: Final answer
    x = 21,555,322.00

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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.