Home / 12,522,964.80-18,786,806.88-4,744,209.12

Finding the Fourth Proportional to 12,522,964.80, 18,786,806.88 and 4,744,209.12

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Solution

The fourth proportional to 12,522,964.80, 18,786,806.88 and 4,744,209.12 is: 7,117,207.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522,964.80 : 18,786,806.88 = 4,744,209.12 : x
  2. Step 2: Convert to fraction form
    12,522,964.80/18,786,806.88 = 4,744,209.12/x
  3. Step 3: Cross multiply
    12,522,964.80x = 18,786,806.88 × 4,744,209.12
  4. Step 4: Simplify right side
    12,522,964.80x = 89,128,540,535,774.75
  5. Step 5: Solve for x
    x = 89,128,540,535,774.75/12,522,964.80
  6. Step 6: Final answer
    x = 7,117,207.62

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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.