Home / 10,253,378.40-15,380,942.40-2,680,332

Finding the Fourth Proportional to 10,253,378.40, 15,380,942.40 and 2,680,332

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Solution

The fourth proportional to 10,253,378.40, 15,380,942.40 and 2,680,332 is: 4,020,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253,378.40 : 15,380,942.40 = 2,680,332 : x
  2. Step 2: Convert to fraction form
    10,253,378.40/15,380,942.40 = 2,680,332/x
  3. Step 3: Cross multiply
    10,253,378.40x = 15,380,942.40 × 2,680,332
  4. Step 4: Simplify right side
    10,253,378.40x = 41,226,032,104,876.80
  5. Step 5: Solve for x
    x = 41,226,032,104,876.80/10,253,378.40
  6. Step 6: Final answer
    x = 4,020,726.68

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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.