Home / 13,581,776.46-20,372,196.90-3,866,449.17

Finding the Fourth Proportional to 13,581,776.46, 20,372,196.90 and 3,866,449.17

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Solution

The fourth proportional to 13,581,776.46, 20,372,196.90 and 3,866,449.17 is: 5,799,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581,776.46 : 20,372,196.90 = 3,866,449.17 : x
  2. Step 2: Convert to fraction form
    13,581,776.46/20,372,196.90 = 3,866,449.17/x
  3. Step 3: Cross multiply
    13,581,776.46x = 20,372,196.90 × 3,866,449.17
  4. Step 4: Simplify right side
    13,581,776.46x = 78,768,063,795,081.56
  5. Step 5: Solve for x
    x = 78,768,063,795,081.56/13,581,776.46
  6. Step 6: Final answer
    x = 5,799,540.58

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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.