Home / 18,375,649.86-27,561,371.60-4,913,527.62

Finding the Fourth Proportional to 18,375,649.86, 27,561,371.60 and 4,913,527.62

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Solution

The fourth proportional to 18,375,649.86, 27,561,371.60 and 4,913,527.62 is: 7,369,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375,649.86 : 27,561,371.60 = 4,913,527.62 : x
  2. Step 2: Convert to fraction form
    18,375,649.86/27,561,371.60 = 4,913,527.62/x
  3. Step 3: Cross multiply
    18,375,649.86x = 27,561,371.60 × 4,913,527.62
  4. Step 4: Simplify right side
    18,375,649.86x = 135,423,560,601,683.61
  5. Step 5: Solve for x
    x = 135,423,560,601,683.61/18,375,649.86
  6. Step 6: Final answer
    x = 7,369,729.05

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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.