Home / 8,805,965.20-13,208,947.80-8,061,947.80

Finding the Fourth Proportional to 8,805,965.20, 13,208,947.80 and 8,061,947.80

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Solution

The fourth proportional to 8,805,965.20, 13,208,947.80 and 8,061,947.80 is: 12,092,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805,965.20 : 13,208,947.80 = 8,061,947.80 : x
  2. Step 2: Convert to fraction form
    8,805,965.20/13,208,947.80 = 8,061,947.80/x
  3. Step 3: Cross multiply
    8,805,965.20x = 13,208,947.80 × 8,061,947.80
  4. Step 4: Simplify right side
    8,805,965.20x = 106,489,847,656,524.84
  5. Step 5: Solve for x
    x = 106,489,847,656,524.84/8,805,965.20
  6. Step 6: Final answer
    x = 12,092,921.70

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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.