Home / 18,374,765.76-27,560,049.12-4,912,643.52

Finding the Fourth Proportional to 18,374,765.76, 27,560,049.12 and 4,912,643.52

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Solution

The fourth proportional to 18,374,765.76, 27,560,049.12 and 4,912,643.52 is: 7,368,403.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374,765.76 : 27,560,049.12 = 4,912,643.52 : x
  2. Step 2: Convert to fraction form
    18,374,765.76/27,560,049.12 = 4,912,643.52/x
  3. Step 3: Cross multiply
    18,374,765.76x = 27,560,049.12 × 4,912,643.52
  4. Step 4: Simplify right side
    18,374,765.76x = 135,392,696,720,249.69
  5. Step 5: Solve for x
    x = 135,392,696,720,249.69/18,374,765.76
  6. Step 6: Final answer
    x = 7,368,403.96

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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.