Home / 8,669,209.20-13,003,857-3,554,432.88

Finding the Fourth Proportional to 8,669,209.20, 13,003,857 and 3,554,432.88

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Solution

The fourth proportional to 8,669,209.20, 13,003,857 and 3,554,432.88 is: 5,331,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669,209.20 : 13,003,857 = 3,554,432.88 : x
  2. Step 2: Convert to fraction form
    8,669,209.20/13,003,857 = 3,554,432.88/x
  3. Step 3: Cross multiply
    8,669,209.20x = 13,003,857 × 3,554,432.88
  4. Step 4: Simplify right side
    8,669,209.20x = 46,221,336,887,618.16
  5. Step 5: Solve for x
    x = 46,221,336,887,618.16/8,669,209.20
  6. Step 6: Final answer
    x = 5,331,667.03

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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.