Home / 8,916,519.20-12,305,100.88-4,996,440.80

Finding the Fourth Proportional to 8,916,519.20, 12,305,100.88 and 4,996,440.80

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Solution

The fourth proportional to 8,916,519.20, 12,305,100.88 and 4,996,440.80 is: 6,895,258.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916,519.20 : 12,305,100.88 = 4,996,440.80 : x
  2. Step 2: Convert to fraction form
    8,916,519.20/12,305,100.88 = 4,996,440.80/x
  3. Step 3: Cross multiply
    8,916,519.20x = 12,305,100.88 × 4,996,440.80
  4. Step 4: Simplify right side
    8,916,519.20x = 61,481,708,084,947.91
  5. Step 5: Solve for x
    x = 61,481,708,084,947.91/8,916,519.20
  6. Step 6: Final answer
    x = 6,895,258.87

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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.