Home / 12,454,636.47-18,681,843.54-3,934,972.64

Finding the Fourth Proportional to 12,454,636.47, 18,681,843.54 and 3,934,972.64

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Solution

The fourth proportional to 12,454,636.47, 18,681,843.54 and 3,934,972.64 is: 5,902,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,636.47 : 18,681,843.54 = 3,934,972.64 : x
  2. Step 2: Convert to fraction form
    12,454,636.47/18,681,843.54 = 3,934,972.64/x
  3. Step 3: Cross multiply
    12,454,636.47x = 18,681,843.54 × 3,934,972.64
  4. Step 4: Simplify right side
    12,454,636.47x = 73,512,543,101,251.52
  5. Step 5: Solve for x
    x = 73,512,543,101,251.52/12,454,636.47
  6. Step 6: Final answer
    x = 5,902,423.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.