Home / 7,452,129.60-11,178,194.40-2,659,975.20

Finding the Fourth Proportional to 7,452,129.60, 11,178,194.40 and 2,659,975.20

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Solution

The fourth proportional to 7,452,129.60, 11,178,194.40 and 2,659,975.20 is: 3,989,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,129.60 : 11,178,194.40 = 2,659,975.20 : x
  2. Step 2: Convert to fraction form
    7,452,129.60/11,178,194.40 = 2,659,975.20/x
  3. Step 3: Cross multiply
    7,452,129.60x = 11,178,194.40 × 2,659,975.20
  4. Step 4: Simplify right side
    7,452,129.60x = 29,733,719,884,778.88
  5. Step 5: Solve for x
    x = 29,733,719,884,778.88/7,452,129.60
  6. Step 6: Final answer
    x = 3,989,962.80

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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.