Home / 15,520,241.16-21,416,908.14-9,321,604.68

Finding the Fourth Proportional to 15,520,241.16, 21,416,908.14 and 9,321,604.68

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Solution

The fourth proportional to 15,520,241.16, 21,416,908.14 and 9,321,604.68 is: 12,863,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520,241.16 : 21,416,908.14 = 9,321,604.68 : x
  2. Step 2: Convert to fraction form
    15,520,241.16/21,416,908.14 = 9,321,604.68/x
  3. Step 3: Cross multiply
    15,520,241.16x = 21,416,908.14 × 9,321,604.68
  4. Step 4: Simplify right side
    15,520,241.16x = 199,639,951,148,954.09
  5. Step 5: Solve for x
    x = 199,639,951,148,954.09/15,520,241.16
  6. Step 6: Final answer
    x = 12,863,199.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.