Home / 20,332,750.31-28,058,429.15-11,040,119.46

Finding the Fourth Proportional to 20,332,750.31, 28,058,429.15 and 11,040,119.46

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Solution

The fourth proportional to 20,332,750.31, 28,058,429.15 and 11,040,119.46 is: 15,234,948.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332,750.31 : 28,058,429.15 = 11,040,119.46 : x
  2. Step 2: Convert to fraction form
    20,332,750.31/28,058,429.15 = 11,040,119.46/x
  3. Step 3: Cross multiply
    20,332,750.31x = 28,058,429.15 × 11,040,119.46
  4. Step 4: Simplify right side
    20,332,750.31x = 309,768,409,620,745.69
  5. Step 5: Solve for x
    x = 309,768,409,620,745.69/20,332,750.31
  6. Step 6: Final answer
    x = 15,234,948.79

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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.