Home / 10,378,905.30-15,569,843.72-3,191,042.66

Finding the Fourth Proportional to 10,378,905.30, 15,569,843.72 and 3,191,042.66

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Solution

The fourth proportional to 10,378,905.30, 15,569,843.72 and 3,191,042.66 is: 4,787,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,905.30 : 15,569,843.72 = 3,191,042.66 : x
  2. Step 2: Convert to fraction form
    10,378,905.30/15,569,843.72 = 3,191,042.66/x
  3. Step 3: Cross multiply
    10,378,905.30x = 15,569,843.72 × 3,191,042.66
  4. Step 4: Simplify right side
    10,378,905.30x = 49,684,035,426,248.66
  5. Step 5: Solve for x
    x = 49,684,035,426,248.66/10,378,905.30
  6. Step 6: Final answer
    x = 4,787,020.79

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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.