Home / 12,598,892.40-18,901,837.80-5,413,868.40

Finding the Fourth Proportional to 12,598,892.40, 18,901,837.80 and 5,413,868.40

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Solution

The fourth proportional to 12,598,892.40, 18,901,837.80 and 5,413,868.40 is: 8,122,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,598,892.40 : 18,901,837.80 = 5,413,868.40 : x
  2. Step 2: Convert to fraction form
    12,598,892.40/18,901,837.80 = 5,413,868.40/x
  3. Step 3: Cross multiply
    12,598,892.40x = 18,901,837.80 × 5,413,868.40
  4. Step 4: Simplify right side
    12,598,892.40x = 102,332,062,367,345.53
  5. Step 5: Solve for x
    x = 102,332,062,367,345.53/12,598,892.40
  6. Step 6: Final answer
    x = 8,122,306.24

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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.