Home / 12,151,788.80-18,227,683.20-4,960,932.80

Finding the Fourth Proportional to 12,151,788.80, 18,227,683.20 and 4,960,932.80

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Solution

The fourth proportional to 12,151,788.80, 18,227,683.20 and 4,960,932.80 is: 7,441,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,788.80 : 18,227,683.20 = 4,960,932.80 : x
  2. Step 2: Convert to fraction form
    12,151,788.80/18,227,683.20 = 4,960,932.80/x
  3. Step 3: Cross multiply
    12,151,788.80x = 18,227,683.20 × 4,960,932.80
  4. Step 4: Simplify right side
    12,151,788.80x = 90,426,311,454,888.95
  5. Step 5: Solve for x
    x = 90,426,311,454,888.95/12,151,788.80
  6. Step 6: Final answer
    x = 7,441,399.20

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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.