Home / 12,151,805.80-18,227,708.70-4,960,949.80

Finding the Fourth Proportional to 12,151,805.80, 18,227,708.70 and 4,960,949.80

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Solution

The fourth proportional to 12,151,805.80, 18,227,708.70 and 4,960,949.80 is: 7,441,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,805.80 : 18,227,708.70 = 4,960,949.80 : x
  2. Step 2: Convert to fraction form
    12,151,805.80/18,227,708.70 = 4,960,949.80/x
  3. Step 3: Cross multiply
    12,151,805.80x = 18,227,708.70 × 4,960,949.80
  4. Step 4: Simplify right side
    12,151,805.80x = 90,426,747,829,723.25
  5. Step 5: Solve for x
    x = 90,426,747,829,723.25/12,151,805.80
  6. Step 6: Final answer
    x = 7,441,424.70

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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.