Home / 18,375,569.89-27,561,255.28-4,913,447.65

Finding the Fourth Proportional to 18,375,569.89, 27,561,255.28 and 4,913,447.65

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Solution

The fourth proportional to 18,375,569.89, 27,561,255.28 and 4,913,447.65 is: 7,369,610.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375,569.89 : 27,561,255.28 = 4,913,447.65 : x
  2. Step 2: Convert to fraction form
    18,375,569.89/27,561,255.28 = 4,913,447.65/x
  3. Step 3: Cross multiply
    18,375,569.89x = 27,561,255.28 × 4,913,447.65
  4. Step 4: Simplify right side
    18,375,569.89x = 135,420,784,905,379.33
  5. Step 5: Solve for x
    x = 135,420,784,905,379.33/18,375,569.89
  6. Step 6: Final answer
    x = 7,369,610.07

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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.