Home / 13,268,906.61-18,311,680.30-7,468,064.07

Finding the Fourth Proportional to 13,268,906.61, 18,311,680.30 and 7,468,064.07

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Solution

The fourth proportional to 13,268,906.61, 18,311,680.30 and 7,468,064.07 is: 10,306,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,906.61 : 18,311,680.30 = 7,468,064.07 : x
  2. Step 2: Convert to fraction form
    13,268,906.61/18,311,680.30 = 7,468,064.07/x
  3. Step 3: Cross multiply
    13,268,906.61x = 18,311,680.30 × 7,468,064.07
  4. Step 4: Simplify right side
    13,268,906.61x = 136,752,801,760,423.88
  5. Step 5: Solve for x
    x = 136,752,801,760,423.88/13,268,906.61
  6. Step 6: Final answer
    x = 10,306,260.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.