Home / 18,413,788.76-27,612,662.89-5,280,304.70

Finding the Fourth Proportional to 18,413,788.76, 27,612,662.89 and 5,280,304.70

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Solution

The fourth proportional to 18,413,788.76, 27,612,662.89 and 5,280,304.70 is: 7,918,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,788.76 : 27,612,662.89 = 5,280,304.70 : x
  2. Step 2: Convert to fraction form
    18,413,788.76/27,612,662.89 = 5,280,304.70/x
  3. Step 3: Cross multiply
    18,413,788.76x = 27,612,662.89 × 5,280,304.70
  4. Step 4: Simplify right side
    18,413,788.76x = 145,803,273,733,872.47
  5. Step 5: Solve for x
    x = 145,803,273,733,872.47/18,413,788.76
  6. Step 6: Final answer
    x = 7,918,157.18

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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.