Home / 31,589,077.76-47,386,508.32-8,869,821.76

Finding the Fourth Proportional to 31,589,077.76, 47,386,508.32 and 8,869,821.76

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Solution

The fourth proportional to 31,589,077.76, 47,386,508.32 and 8,869,821.76 is: 13,305,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589,077.76 : 47,386,508.32 = 8,869,821.76 : x
  2. Step 2: Convert to fraction form
    31,589,077.76/47,386,508.32 = 8,869,821.76/x
  3. Step 3: Cross multiply
    31,589,077.76x = 47,386,508.32 × 8,869,821.76
  4. Step 4: Simplify right side
    31,589,077.76x = 420,309,882,627,157.06
  5. Step 5: Solve for x
    x = 420,309,882,627,157.06/31,589,077.76
  6. Step 6: Final answer
    x = 13,305,544.59

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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.