Home / 8,759,348.80-12,000,107.25-8,431,857.16

Finding the Fourth Proportional to 8,759,348.80, 12,000,107.25 and 8,431,857.16

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Solution

The fourth proportional to 8,759,348.80, 12,000,107.25 and 8,431,857.16 is: 11,551,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759,348.80 : 12,000,107.25 = 8,431,857.16 : x
  2. Step 2: Convert to fraction form
    8,759,348.80/12,000,107.25 = 8,431,857.16/x
  3. Step 3: Cross multiply
    8,759,348.80x = 12,000,107.25 × 8,431,857.16
  4. Step 4: Simplify right side
    8,759,348.80x = 101,183,190,236,680.41
  5. Step 5: Solve for x
    x = 101,183,190,236,680.41/8,759,348.80
  6. Step 6: Final answer
    x = 11,551,451.20

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.