Home / 9,175,919.20-13,744,957.20-5,377,890.40

Finding the Fourth Proportional to 9,175,919.20, 13,744,957.20 and 5,377,890.40

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Solution

The fourth proportional to 9,175,919.20, 13,744,957.20 and 5,377,890.40 is: 8,055,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175,919.20 : 13,744,957.20 = 5,377,890.40 : x
  2. Step 2: Convert to fraction form
    9,175,919.20/13,744,957.20 = 5,377,890.40/x
  3. Step 3: Cross multiply
    9,175,919.20x = 13,744,957.20 × 5,377,890.40
  4. Step 4: Simplify right side
    9,175,919.20x = 73,918,873,374,290.88
  5. Step 5: Solve for x
    x = 73,918,873,374,290.88/9,175,919.20
  6. Step 6: Final answer
    x = 8,055,745.89

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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.