Home / 9,221,419.20-13,832,128.80-4,969,891.20

Finding the Fourth Proportional to 9,221,419.20, 13,832,128.80 and 4,969,891.20

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Solution

The fourth proportional to 9,221,419.20, 13,832,128.80 and 4,969,891.20 is: 7,454,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221,419.20 : 13,832,128.80 = 4,969,891.20 : x
  2. Step 2: Convert to fraction form
    9,221,419.20/13,832,128.80 = 4,969,891.20/x
  3. Step 3: Cross multiply
    9,221,419.20x = 13,832,128.80 × 4,969,891.20
  4. Step 4: Simplify right side
    9,221,419.20x = 68,744,175,200,386.56
  5. Step 5: Solve for x
    x = 68,744,175,200,386.56/9,221,419.20
  6. Step 6: Final answer
    x = 7,454,836.80

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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.