Home / 36,290,309.40-54,440,129.70-18,103,800.60

Finding the Fourth Proportional to 36,290,309.40, 54,440,129.70 and 18,103,800.60

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Solution

The fourth proportional to 36,290,309.40, 54,440,129.70 and 18,103,800.60 is: 27,158,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,290,309.40 : 54,440,129.70 = 18,103,800.60 : x
  2. Step 2: Convert to fraction form
    36,290,309.40/54,440,129.70 = 18,103,800.60/x
  3. Step 3: Cross multiply
    36,290,309.40x = 54,440,129.70 × 18,103,800.60
  4. Step 4: Simplify right side
    36,290,309.40x = 985,573,252,726,938
  5. Step 5: Solve for x
    x = 985,573,252,726,938/36,290,309.40
  6. Step 6: Final answer
    x = 27,158,028.38

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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.