Home / 12,150,448.98-18,225,691.20-4,961,982.96

Finding the Fourth Proportional to 12,150,448.98, 18,225,691.20 and 4,961,982.96

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Solution

The fourth proportional to 12,150,448.98, 18,225,691.20 and 4,961,982.96 is: 7,442,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150,448.98 : 18,225,691.20 = 4,961,982.96 : x
  2. Step 2: Convert to fraction form
    12,150,448.98/18,225,691.20 = 4,961,982.96/x
  3. Step 3: Cross multiply
    12,150,448.98x = 18,225,691.20 × 4,961,982.96
  4. Step 4: Simplify right side
    12,150,448.98x = 90,435,569,168,621.95
  5. Step 5: Solve for x
    x = 90,435,569,168,621.95/12,150,448.98
  6. Step 6: Final answer
    x = 7,442,981.68

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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.