Home / 10,986,481.60-16,446,544.80-9,659,377.60

Finding the Fourth Proportional to 10,986,481.60, 16,446,544.80 and 9,659,377.60

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Solution

The fourth proportional to 10,986,481.60, 16,446,544.80 and 9,659,377.60 is: 14,459,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986,481.60 : 16,446,544.80 = 9,659,377.60 : x
  2. Step 2: Convert to fraction form
    10,986,481.60/16,446,544.80 = 9,659,377.60/x
  3. Step 3: Cross multiply
    10,986,481.60x = 16,446,544.80 × 9,659,377.60
  4. Step 4: Simplify right side
    10,986,481.60x = 158,863,386,438,516.47
  5. Step 5: Solve for x
    x = 158,863,386,438,516.47/10,986,481.60
  6. Step 6: Final answer
    x = 14,459,896.46

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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.