Home / 10,368,007.30-15,552,010.95-7,680,621.70

Finding the Fourth Proportional to 10,368,007.30, 15,552,010.95 and 7,680,621.70

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Solution

The fourth proportional to 10,368,007.30, 15,552,010.95 and 7,680,621.70 is: 11,520,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,007.30 : 15,552,010.95 = 7,680,621.70 : x
  2. Step 2: Convert to fraction form
    10,368,007.30/15,552,010.95 = 7,680,621.70/x
  3. Step 3: Cross multiply
    10,368,007.30x = 15,552,010.95 × 7,680,621.70
  4. Step 4: Simplify right side
    10,368,007.30x = 119,449,112,781,207.61
  5. Step 5: Solve for x
    x = 119,449,112,781,207.61/10,368,007.30
  6. Step 6: Final answer
    x = 11,520,932.55

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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.