Home / 7,131,195.20-10,687,461.60-2,867,873.60

Finding the Fourth Proportional to 7,131,195.20, 10,687,461.60 and 2,867,873.60

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Solution

The fourth proportional to 7,131,195.20, 10,687,461.60 and 2,867,873.60 is: 4,298,057.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,195.20 : 10,687,461.60 = 2,867,873.60 : x
  2. Step 2: Convert to fraction form
    7,131,195.20/10,687,461.60 = 2,867,873.60/x
  3. Step 3: Cross multiply
    7,131,195.20x = 10,687,461.60 × 2,867,873.60
  4. Step 4: Simplify right side
    7,131,195.20x = 30,650,288,973,653.76
  5. Step 5: Solve for x
    x = 30,650,288,973,653.76/7,131,195.20
  6. Step 6: Final answer
    x = 4,298,057.77

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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.