Home / 8,972,344.80-13,449,769.20-5,130,223.20

Finding the Fourth Proportional to 8,972,344.80, 13,449,769.20 and 5,130,223.20

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Solution

The fourth proportional to 8,972,344.80, 13,449,769.20 and 5,130,223.20 is: 7,690,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,344.80 : 13,449,769.20 = 5,130,223.20 : x
  2. Step 2: Convert to fraction form
    8,972,344.80/13,449,769.20 = 5,130,223.20/x
  3. Step 3: Cross multiply
    8,972,344.80x = 13,449,769.20 × 5,130,223.20
  4. Step 4: Simplify right side
    8,972,344.80x = 69,000,317,984,485.44
  5. Step 5: Solve for x
    x = 69,000,317,984,485.44/8,972,344.80
  6. Step 6: Final answer
    x = 7,690,332.85

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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.