Home / 18,142,007.91-25,035,972.28-9,993,245.91

Finding the Fourth Proportional to 18,142,007.91, 25,035,972.28 and 9,993,245.91

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Solution

The fourth proportional to 18,142,007.91, 25,035,972.28 and 9,993,245.91 is: 13,790,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142,007.91 : 25,035,972.28 = 9,993,245.91 : x
  2. Step 2: Convert to fraction form
    18,142,007.91/25,035,972.28 = 9,993,245.91/x
  3. Step 3: Cross multiply
    18,142,007.91x = 25,035,972.28 × 9,993,245.91
  4. Step 4: Simplify right side
    18,142,007.91x = 250,190,627,471,115.38
  5. Step 5: Solve for x
    x = 250,190,627,471,115.38/18,142,007.91
  6. Step 6: Final answer
    x = 13,790,680.10

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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.