Home / 10,981,335.60-16,472,003.40-8,855,571.60

Finding the Fourth Proportional to 10,981,335.60, 16,472,003.40 and 8,855,571.60

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Solution

The fourth proportional to 10,981,335.60, 16,472,003.40 and 8,855,571.60 is: 13,283,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981,335.60 : 16,472,003.40 = 8,855,571.60 : x
  2. Step 2: Convert to fraction form
    10,981,335.60/16,472,003.40 = 8,855,571.60/x
  3. Step 3: Cross multiply
    10,981,335.60x = 16,472,003.40 × 8,855,571.60
  4. Step 4: Simplify right side
    10,981,335.60x = 145,869,005,504,143.44
  5. Step 5: Solve for x
    x = 145,869,005,504,143.44/10,981,335.60
  6. Step 6: Final answer
    x = 13,283,357.40

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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.