Home / 18,498,421.70-27,747,632.55-5,720,218.10

Finding the Fourth Proportional to 18,498,421.70, 27,747,632.55 and 5,720,218.10

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Solution

The fourth proportional to 18,498,421.70, 27,747,632.55 and 5,720,218.10 is: 8,580,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498,421.70 : 27,747,632.55 = 5,720,218.10 : x
  2. Step 2: Convert to fraction form
    18,498,421.70/27,747,632.55 = 5,720,218.10/x
  3. Step 3: Cross multiply
    18,498,421.70x = 27,747,632.55 × 5,720,218.10
  4. Step 4: Simplify right side
    18,498,421.70x = 158,722,509,944,659.16
  5. Step 5: Solve for x
    x = 158,722,509,944,659.16/18,498,421.70
  6. Step 6: Final answer
    x = 8,580,327.15

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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.