Home / 7,344,076.80-11,016,115.20-3,942,854.40

Finding the Fourth Proportional to 7,344,076.80, 11,016,115.20 and 3,942,854.40

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Solution

The fourth proportional to 7,344,076.80, 11,016,115.20 and 3,942,854.40 is: 5,914,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344,076.80 : 11,016,115.20 = 3,942,854.40 : x
  2. Step 2: Convert to fraction form
    7,344,076.80/11,016,115.20 = 3,942,854.40/x
  3. Step 3: Cross multiply
    7,344,076.80x = 11,016,115.20 × 3,942,854.40
  4. Step 4: Simplify right side
    7,344,076.80x = 43,434,938,287,226.88
  5. Step 5: Solve for x
    x = 43,434,938,287,226.88/7,344,076.80
  6. Step 6: Final answer
    x = 5,914,281.60

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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.