Home / 12,131,156-18,190,649.16-4,041,287.36

Finding the Fourth Proportional to 12,131,156, 18,190,649.16 and 4,041,287.36

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Solution

The fourth proportional to 12,131,156, 18,190,649.16 and 4,041,287.36 is: 6,059,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,156 : 18,190,649.16 = 4,041,287.36 : x
  2. Step 2: Convert to fraction form
    12,131,156/18,190,649.16 = 4,041,287.36/x
  3. Step 3: Cross multiply
    12,131,156x = 18,190,649.16 × 4,041,287.36
  4. Step 4: Simplify right side
    12,131,156x = 73,513,640,520,502.61
  5. Step 5: Solve for x
    x = 73,513,640,520,502.61/12,131,156
  6. Step 6: Final answer
    x = 6,059,903.98

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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.