Home / 23,328,121.20-34,992,181.80-11,990,713.20

Finding the Fourth Proportional to 23,328,121.20, 34,992,181.80 and 11,990,713.20

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Solution

The fourth proportional to 23,328,121.20, 34,992,181.80 and 11,990,713.20 is: 17,986,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,328,121.20 : 34,992,181.80 = 11,990,713.20 : x
  2. Step 2: Convert to fraction form
    23,328,121.20/34,992,181.80 = 11,990,713.20/x
  3. Step 3: Cross multiply
    23,328,121.20x = 34,992,181.80 × 11,990,713.20
  4. Step 4: Simplify right side
    23,328,121.20x = 419,581,216,206,059.69
  5. Step 5: Solve for x
    x = 419,581,216,206,059.69/23,328,121.20
  6. Step 6: Final answer
    x = 17,986,069.80

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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.