Home / 6,448,731.60-9,659,100.60-5,328,987.60

Finding the Fourth Proportional to 6,448,731.60, 9,659,100.60 and 5,328,987.60

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Solution

The fourth proportional to 6,448,731.60, 9,659,100.60 and 5,328,987.60 is: 7,981,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448,731.60 : 9,659,100.60 = 5,328,987.60 : x
  2. Step 2: Convert to fraction form
    6,448,731.60/9,659,100.60 = 5,328,987.60/x
  3. Step 3: Cross multiply
    6,448,731.60x = 9,659,100.60 × 5,328,987.60
  4. Step 4: Simplify right side
    6,448,731.60x = 51,473,227,324,552.55
  5. Step 5: Solve for x
    x = 51,473,227,324,552.55/6,448,731.60
  6. Step 6: Final answer
    x = 7,981,914.97

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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.