Home / 20,180,873.08-30,275,293.40-7,401,488.52

Finding the Fourth Proportional to 20,180,873.08, 30,275,293.40 and 7,401,488.52

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Solution

The fourth proportional to 20,180,873.08, 30,275,293.40 and 7,401,488.52 is: 11,103,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,873.08 : 30,275,293.40 = 7,401,488.52 : x
  2. Step 2: Convert to fraction form
    20,180,873.08/30,275,293.40 = 7,401,488.52/x
  3. Step 3: Cross multiply
    20,180,873.08x = 30,275,293.40 × 7,401,488.52
  4. Step 4: Simplify right side
    20,180,873.08x = 224,082,236,539,731.75
  5. Step 5: Solve for x
    x = 224,082,236,539,731.75/20,180,873.08
  6. Step 6: Final answer
    x = 11,103,693.86

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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.