Home / 27,719,818.79-38,241,791.28-15,956,272.49

Finding the Fourth Proportional to 27,719,818.79, 38,241,791.28 and 15,956,272.49

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Solution

The fourth proportional to 27,719,818.79, 38,241,791.28 and 15,956,272.49 is: 22,013,002.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,719,818.79 : 38,241,791.28 = 15,956,272.49 : x
  2. Step 2: Convert to fraction form
    27,719,818.79/38,241,791.28 = 15,956,272.49/x
  3. Step 3: Cross multiply
    27,719,818.79x = 38,241,791.28 × 15,956,272.49
  4. Step 4: Simplify right side
    27,719,818.79x = 610,196,441,978,176.88
  5. Step 5: Solve for x
    x = 610,196,441,978,176.88/27,719,818.79
  6. Step 6: Final answer
    x = 22,013,002.56

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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.