Home / 34,151,721.17-47,129,749.14-18,681,805.96

Finding the Fourth Proportional to 34,151,721.17, 47,129,749.14 and 18,681,805.96

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Solution

The fourth proportional to 34,151,721.17, 47,129,749.14 and 18,681,805.96 is: 25,781,096.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,151,721.17 : 47,129,749.14 = 18,681,805.96 : x
  2. Step 2: Convert to fraction form
    34,151,721.17/47,129,749.14 = 18,681,805.96/x
  3. Step 3: Cross multiply
    34,151,721.17x = 47,129,749.14 × 18,681,805.96
  4. Step 4: Simplify right side
    34,151,721.17x = 880,468,828,505,925.75
  5. Step 5: Solve for x
    x = 880,468,828,505,925.75/34,151,721.17
  6. Step 6: Final answer
    x = 25,781,096.78

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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.