Home / 9,061,297.20-13,591,945.80-5,478,116.40

Finding the Fourth Proportional to 9,061,297.20, 13,591,945.80 and 5,478,116.40

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Solution

The fourth proportional to 9,061,297.20, 13,591,945.80 and 5,478,116.40 is: 8,217,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,061,297.20 : 13,591,945.80 = 5,478,116.40 : x
  2. Step 2: Convert to fraction form
    9,061,297.20/13,591,945.80 = 5,478,116.40/x
  3. Step 3: Cross multiply
    9,061,297.20x = 13,591,945.80 × 5,478,116.40
  4. Step 4: Simplify right side
    9,061,297.20x = 74,458,261,194,891.12
  5. Step 5: Solve for x
    x = 74,458,261,194,891.12/9,061,297.20
  6. Step 6: Final answer
    x = 8,217,174.60

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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.