Home / 12,299,161.20-18,448,741.80-8,268,082.80

Finding the Fourth Proportional to 12,299,161.20, 18,448,741.80 and 8,268,082.80

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Solution

The fourth proportional to 12,299,161.20, 18,448,741.80 and 8,268,082.80 is: 12,402,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299,161.20 : 18,448,741.80 = 8,268,082.80 : x
  2. Step 2: Convert to fraction form
    12,299,161.20/18,448,741.80 = 8,268,082.80/x
  3. Step 3: Cross multiply
    12,299,161.20x = 18,448,741.80 × 8,268,082.80
  4. Step 4: Simplify right side
    12,299,161.20x = 152,535,724,758,221.03
  5. Step 5: Solve for x
    x = 152,535,724,758,221.03/12,299,161.20
  6. Step 6: Final answer
    x = 12,402,124.20

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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.