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Finding the Fourth Proportional to 22,917,478.80, 34,375,718.80 and 10,780,214.72

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Solution

The fourth proportional to 22,917,478.80, 34,375,718.80 and 10,780,214.72 is: 16,170,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,917,478.80 : 34,375,718.80 = 10,780,214.72 : x
  2. Step 2: Convert to fraction form
    22,917,478.80/34,375,718.80 = 10,780,214.72/x
  3. Step 3: Cross multiply
    22,917,478.80x = 34,375,718.80 × 10,780,214.72
  4. Step 4: Simplify right side
    22,917,478.80x = 370,577,629,818,340.75
  5. Step 5: Solve for x
    x = 370,577,629,818,340.75/22,917,478.80
  6. Step 6: Final answer
    x = 16,170,087.17

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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.