Home / 18,240,807.75-25,172,635.46-9,981,592.53

Finding the Fourth Proportional to 18,240,807.75, 25,172,635.46 and 9,981,592.53

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Solution

The fourth proportional to 18,240,807.75, 25,172,635.46 and 9,981,592.53 is: 13,774,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240,807.75 : 25,172,635.46 = 9,981,592.53 : x
  2. Step 2: Convert to fraction form
    18,240,807.75/25,172,635.46 = 9,981,592.53/x
  3. Step 3: Cross multiply
    18,240,807.75x = 25,172,635.46 × 9,981,592.53
  4. Step 4: Simplify right side
    18,240,807.75x = 251,262,990,018,041.12
  5. Step 5: Solve for x
    x = 251,262,990,018,041.12/18,240,807.75
  6. Step 6: Final answer
    x = 13,774,773.22

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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.