Home / 8,721,820.66-13,081,700.67-2,332,568.20

Finding the Fourth Proportional to 8,721,820.66, 13,081,700.67 and 2,332,568.20

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Solution

The fourth proportional to 8,721,820.66, 13,081,700.67 and 2,332,568.20 is: 3,498,576.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,820.66 : 13,081,700.67 = 2,332,568.20 : x
  2. Step 2: Convert to fraction form
    8,721,820.66/13,081,700.67 = 2,332,568.20/x
  3. Step 3: Cross multiply
    8,721,820.66x = 13,081,700.67 × 2,332,568.20
  4. Step 4: Simplify right side
    8,721,820.66x = 30,513,958,984,760.70
  5. Step 5: Solve for x
    x = 30,513,958,984,760.70/8,721,820.66
  6. Step 6: Final answer
    x = 3,498,576.75

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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.