Home / 18,954,024.30-28,431,036.45-15,552,801.90

Finding the Fourth Proportional to 18,954,024.30, 28,431,036.45 and 15,552,801.90

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Solution

The fourth proportional to 18,954,024.30, 28,431,036.45 and 15,552,801.90 is: 23,329,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,024.30 : 28,431,036.45 = 15,552,801.90 : x
  2. Step 2: Convert to fraction form
    18,954,024.30/28,431,036.45 = 15,552,801.90/x
  3. Step 3: Cross multiply
    18,954,024.30x = 28,431,036.45 × 15,552,801.90
  4. Step 4: Simplify right side
    18,954,024.30x = 442,182,277,718,529.25
  5. Step 5: Solve for x
    x = 442,182,277,718,529.25/18,954,024.30
  6. Step 6: Final answer
    x = 23,329,202.85

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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.