Home / 10,654,080.60-15,981,120.90-3,921,619.80

Finding the Fourth Proportional to 10,654,080.60, 15,981,120.90 and 3,921,619.80

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Solution

The fourth proportional to 10,654,080.60, 15,981,120.90 and 3,921,619.80 is: 5,882,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654,080.60 : 15,981,120.90 = 3,921,619.80 : x
  2. Step 2: Convert to fraction form
    10,654,080.60/15,981,120.90 = 3,921,619.80/x
  3. Step 3: Cross multiply
    10,654,080.60x = 15,981,120.90 × 3,921,619.80
  4. Step 4: Simplify right side
    10,654,080.60x = 62,671,880,147,633.82
  5. Step 5: Solve for x
    x = 62,671,880,147,633.82/10,654,080.60
  6. Step 6: Final answer
    x = 5,882,429.70

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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.