Home / 7,728,906.30-11,593,359.45-2,680,216.80

Finding the Fourth Proportional to 7,728,906.30, 11,593,359.45 and 2,680,216.80

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Solution

The fourth proportional to 7,728,906.30, 11,593,359.45 and 2,680,216.80 is: 4,020,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728,906.30 : 11,593,359.45 = 2,680,216.80 : x
  2. Step 2: Convert to fraction form
    7,728,906.30/11,593,359.45 = 2,680,216.80/x
  3. Step 3: Cross multiply
    7,728,906.30x = 11,593,359.45 × 2,680,216.80
  4. Step 4: Simplify right side
    7,728,906.30x = 31,072,716,766,328.75
  5. Step 5: Solve for x
    x = 31,072,716,766,328.75/7,728,906.30
  6. Step 6: Final answer
    x = 4,020,325.20

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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.