Home / 30,239,788.55-45,359,552.97-8,380,105.04

Finding the Fourth Proportional to 30,239,788.55, 45,359,552.97 and 8,380,105.04

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Solution

The fourth proportional to 30,239,788.55, 45,359,552.97 and 8,380,105.04 is: 12,570,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239,788.55 : 45,359,552.97 = 8,380,105.04 : x
  2. Step 2: Convert to fraction form
    30,239,788.55/45,359,552.97 = 8,380,105.04/x
  3. Step 3: Cross multiply
    30,239,788.55x = 45,359,552.97 × 8,380,105.04
  4. Step 4: Simplify right side
    30,239,788.55x = 380,117,818,569,442.88
  5. Step 5: Solve for x
    x = 380,117,818,569,442.88/30,239,788.55
  6. Step 6: Final answer
    x = 12,570,121.58

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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.