Home / 18,589,600.20-27,884,400.30-15,719,818.80

Finding the Fourth Proportional to 18,589,600.20, 27,884,400.30 and 15,719,818.80

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Solution

The fourth proportional to 18,589,600.20, 27,884,400.30 and 15,719,818.80 is: 23,579,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589,600.20 : 27,884,400.30 = 15,719,818.80 : x
  2. Step 2: Convert to fraction form
    18,589,600.20/27,884,400.30 = 15,719,818.80/x
  3. Step 3: Cross multiply
    18,589,600.20x = 27,884,400.30 × 15,719,818.80
  4. Step 4: Simplify right side
    18,589,600.20x = 438,337,720,062,665.69
  5. Step 5: Solve for x
    x = 438,337,720,062,665.69/18,589,600.20
  6. Step 6: Final answer
    x = 23,579,728.20

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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.