Home / 12,391,444.28-18,579,949.32-4,809,552.68

Finding the Fourth Proportional to 12,391,444.28, 18,579,949.32 and 4,809,552.68

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Solution

The fourth proportional to 12,391,444.28, 18,579,949.32 and 4,809,552.68 is: 7,211,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391,444.28 : 18,579,949.32 = 4,809,552.68 : x
  2. Step 2: Convert to fraction form
    12,391,444.28/18,579,949.32 = 4,809,552.68/x
  3. Step 3: Cross multiply
    12,391,444.28x = 18,579,949.32 × 4,809,552.68
  4. Step 4: Simplify right side
    12,391,444.28x = 89,361,245,046,270.17
  5. Step 5: Solve for x
    x = 89,361,245,046,270.17/12,391,444.28
  6. Step 6: Final answer
    x = 7,211,527.81

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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.