Home / 12,101,651.30-18,152,039.55-4,912,982.30

Finding the Fourth Proportional to 12,101,651.30, 18,152,039.55 and 4,912,982.30

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Solution

The fourth proportional to 12,101,651.30, 18,152,039.55 and 4,912,982.30 is: 7,369,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,651.30 : 18,152,039.55 = 4,912,982.30 : x
  2. Step 2: Convert to fraction form
    12,101,651.30/18,152,039.55 = 4,912,982.30/x
  3. Step 3: Cross multiply
    12,101,651.30x = 18,152,039.55 × 4,912,982.30
  4. Step 4: Simplify right side
    12,101,651.30x = 89,180,649,018,049.97
  5. Step 5: Solve for x
    x = 89,180,649,018,049.97/12,101,651.30
  6. Step 6: Final answer
    x = 7,369,295.88

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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.