Home / 17,121,981.96-23,627,708.10-9,386,854.56

Finding the Fourth Proportional to 17,121,981.96, 23,627,708.10 and 9,386,854.56

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Solution

The fourth proportional to 17,121,981.96, 23,627,708.10 and 9,386,854.56 is: 12,953,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121,981.96 : 23,627,708.10 = 9,386,854.56 : x
  2. Step 2: Convert to fraction form
    17,121,981.96/23,627,708.10 = 9,386,854.56/x
  3. Step 3: Cross multiply
    17,121,981.96x = 23,627,708.10 × 9,386,854.56
  4. Step 4: Simplify right side
    17,121,981.96x = 221,789,859,520,833.97
  5. Step 5: Solve for x
    x = 221,789,859,520,833.97/17,121,981.96
  6. Step 6: Final answer
    x = 12,953,515.55

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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.