Home / 15,445,924.45-21,313,966.88-9,165,369.49

Finding the Fourth Proportional to 15,445,924.45, 21,313,966.88 and 9,165,369.49

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Solution

The fourth proportional to 15,445,924.45, 21,313,966.88 and 9,165,369.49 is: 12,647,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445,924.45 : 21,313,966.88 = 9,165,369.49 : x
  2. Step 2: Convert to fraction form
    15,445,924.45/21,313,966.88 = 9,165,369.49/x
  3. Step 3: Cross multiply
    15,445,924.45x = 21,313,966.88 × 9,165,369.49
  4. Step 4: Simplify right side
    15,445,924.45x = 195,350,381,722,451.03
  5. Step 5: Solve for x
    x = 195,350,381,722,451.03/15,445,924.45
  6. Step 6: Final answer
    x = 12,647,373.90

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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.