Home / 12,245,073.54-18,356,239.26-5,418,000.38

Finding the Fourth Proportional to 12,245,073.54, 18,356,239.26 and 5,418,000.38

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Solution

The fourth proportional to 12,245,073.54, 18,356,239.26 and 5,418,000.38 is: 8,121,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245,073.54 : 18,356,239.26 = 5,418,000.38 : x
  2. Step 2: Convert to fraction form
    12,245,073.54/18,356,239.26 = 5,418,000.38/x
  3. Step 3: Cross multiply
    12,245,073.54x = 18,356,239.26 × 5,418,000.38
  4. Step 4: Simplify right side
    12,245,073.54x = 99,454,111,286,050.92
  5. Step 5: Solve for x
    x = 99,454,111,286,050.92/12,245,073.54
  6. Step 6: Final answer
    x = 8,121,969.29

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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.