Home / 20,215,311.55-30,302,300.17-9,964,405.15

Finding the Fourth Proportional to 20,215,311.55, 30,302,300.17 and 9,964,405.15

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Solution

The fourth proportional to 20,215,311.55, 30,302,300.17 and 9,964,405.15 is: 14,936,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,311.55 : 30,302,300.17 = 9,964,405.15 : x
  2. Step 2: Convert to fraction form
    20,215,311.55/30,302,300.17 = 9,964,405.15/x
  3. Step 3: Cross multiply
    20,215,311.55x = 30,302,300.17 × 9,964,405.15
  4. Step 4: Simplify right side
    20,215,311.55x = 301,944,395,870,793.88
  5. Step 5: Solve for x
    x = 301,944,395,870,793.88/20,215,311.55
  6. Step 6: Final answer
    x = 14,936,420.60

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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.