Home / 15,661,504.50-21,613,023.62-8,786,134.18

Finding the Fourth Proportional to 15,661,504.50, 21,613,023.62 and 8,786,134.18

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Solution

The fourth proportional to 15,661,504.50, 21,613,023.62 and 8,786,134.18 is: 12,124,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661,504.50 : 21,613,023.62 = 8,786,134.18 : x
  2. Step 2: Convert to fraction form
    15,661,504.50/21,613,023.62 = 8,786,134.18/x
  3. Step 3: Cross multiply
    15,661,504.50x = 21,613,023.62 × 8,786,134.18
  4. Step 4: Simplify right side
    15,661,504.50x = 189,894,925,560,829.34
  5. Step 5: Solve for x
    x = 189,894,925,560,829.34/15,661,504.50
  6. Step 6: Final answer
    x = 12,124,947.87

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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.