Home / 12,231,401.40-16,879,442.84-6,649,659.28

Finding the Fourth Proportional to 12,231,401.40, 16,879,442.84 and 6,649,659.28

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Solution

The fourth proportional to 12,231,401.40, 16,879,442.84 and 6,649,659.28 is: 9,176,589.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,401.40 : 16,879,442.84 = 6,649,659.28 : x
  2. Step 2: Convert to fraction form
    12,231,401.40/16,879,442.84 = 6,649,659.28/x
  3. Step 3: Cross multiply
    12,231,401.40x = 16,879,442.84 × 6,649,659.28
  4. Step 4: Simplify right side
    12,231,401.40x = 112,242,543,722,235.56
  5. Step 5: Solve for x
    x = 112,242,543,722,235.56/12,231,401.40
  6. Step 6: Final answer
    x = 9,176,589.01

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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.