Home / 8,209,385.76-11,328,876.90-4,538,397.72

Finding the Fourth Proportional to 8,209,385.76, 11,328,876.90 and 4,538,397.72

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Solution

The fourth proportional to 8,209,385.76, 11,328,876.90 and 4,538,397.72 is: 6,262,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209,385.76 : 11,328,876.90 = 4,538,397.72 : x
  2. Step 2: Convert to fraction form
    8,209,385.76/11,328,876.90 = 4,538,397.72/x
  3. Step 3: Cross multiply
    8,209,385.76x = 11,328,876.90 × 4,538,397.72
  4. Step 4: Simplify right side
    8,209,385.76x = 51,414,949,093,120.66
  5. Step 5: Solve for x
    x = 51,414,949,093,120.66/8,209,385.76
  6. Step 6: Final answer
    x = 6,262,947.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.