Home / 12,131,156.50-18,190,649.91-4,041,287.86

Finding the Fourth Proportional to 12,131,156.50, 18,190,649.91 and 4,041,287.86

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Solution

The fourth proportional to 12,131,156.50, 18,190,649.91 and 4,041,287.86 is: 6,059,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,156.50 : 18,190,649.91 = 4,041,287.86 : x
  2. Step 2: Convert to fraction form
    12,131,156.50/18,190,649.91 = 4,041,287.86/x
  3. Step 3: Cross multiply
    12,131,156.50x = 18,190,649.91 × 4,041,287.86
  4. Step 4: Simplify right side
    12,131,156.50x = 73,513,652,646,793.09
  5. Step 5: Solve for x
    x = 73,513,652,646,793.09/12,131,156.50
  6. Step 6: Final answer
    x = 6,059,904.73

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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.