Home / 27,787,006.80-41,680,510.20-8,619,701.40

Finding the Fourth Proportional to 27,787,006.80, 41,680,510.20 and 8,619,701.40

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Solution

The fourth proportional to 27,787,006.80, 41,680,510.20 and 8,619,701.40 is: 12,929,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,787,006.80 : 41,680,510.20 = 8,619,701.40 : x
  2. Step 2: Convert to fraction form
    27,787,006.80/41,680,510.20 = 8,619,701.40/x
  3. Step 3: Cross multiply
    27,787,006.80x = 41,680,510.20 × 8,619,701.40
  4. Step 4: Simplify right side
    27,787,006.80x = 359,273,552,123,654.31
  5. Step 5: Solve for x
    x = 359,273,552,123,654.31/27,787,006.80
  6. Step 6: Final answer
    x = 12,929,552.10

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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.