Home / 20,318,989.44-28,040,223.54-11,026,559.48

Finding the Fourth Proportional to 20,318,989.44, 28,040,223.54 and 11,026,559.48

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Solution

The fourth proportional to 20,318,989.44, 28,040,223.54 and 11,026,559.48 is: 15,216,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,318,989.44 : 28,040,223.54 = 11,026,559.48 : x
  2. Step 2: Convert to fraction form
    20,318,989.44/28,040,223.54 = 11,026,559.48/x
  3. Step 3: Cross multiply
    20,318,989.44x = 28,040,223.54 × 11,026,559.48
  4. Step 4: Simplify right side
    20,318,989.44x = 309,187,192,696,306.19
  5. Step 5: Solve for x
    x = 309,187,192,696,306.19/20,318,989.44
  6. Step 6: Final answer
    x = 15,216,661.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.