Home / 20,215,310.55-30,302,298.68-9,964,404.15

Finding the Fourth Proportional to 20,215,310.55, 30,302,298.68 and 9,964,404.15

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Solution

The fourth proportional to 20,215,310.55, 30,302,298.68 and 9,964,404.15 is: 14,936,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,310.55 : 30,302,298.68 = 9,964,404.15 : x
  2. Step 2: Convert to fraction form
    20,215,310.55/30,302,298.68 = 9,964,404.15/x
  3. Step 3: Cross multiply
    20,215,310.55x = 30,302,298.68 × 9,964,404.15
  4. Step 4: Simplify right side
    20,215,310.55x = 301,944,350,671,709.50
  5. Step 5: Solve for x
    x = 301,944,350,671,709.50/20,215,310.55
  6. Step 6: Final answer
    x = 14,936,419.10

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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.