Home / 20,287,353.60-30,432,911.04-7,336,742.40

Finding the Fourth Proportional to 20,287,353.60, 30,432,911.04 and 7,336,742.40

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Solution

The fourth proportional to 20,287,353.60, 30,432,911.04 and 7,336,742.40 is: 11,005,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287,353.60 : 30,432,911.04 = 7,336,742.40 : x
  2. Step 2: Convert to fraction form
    20,287,353.60/30,432,911.04 = 7,336,742.40/x
  3. Step 3: Cross multiply
    20,287,353.60x = 30,432,911.04 × 7,336,742.40
  4. Step 4: Simplify right side
    20,287,353.60x = 223,278,428,782,596.09
  5. Step 5: Solve for x
    x = 223,278,428,782,596.09/20,287,353.60
  6. Step 6: Final answer
    x = 11,005,793.72

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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.