Home / 18,387,002.10-27,580,503.15-15,552,650.10

Finding the Fourth Proportional to 18,387,002.10, 27,580,503.15 and 15,552,650.10

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Solution

The fourth proportional to 18,387,002.10, 27,580,503.15 and 15,552,650.10 is: 23,328,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387,002.10 : 27,580,503.15 = 15,552,650.10 : x
  2. Step 2: Convert to fraction form
    18,387,002.10/27,580,503.15 = 15,552,650.10/x
  3. Step 3: Cross multiply
    18,387,002.10x = 27,580,503.15 × 15,552,650.10
  4. Step 4: Simplify right side
    18,387,002.10x = 428,949,915,073,897.81
  5. Step 5: Solve for x
    x = 428,949,915,073,897.81/18,387,002.10
  6. Step 6: Final answer
    x = 23,328,975.15

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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.