Home / 6,649,674.11-9,176,342.18-3,898,194.12

Finding the Fourth Proportional to 6,649,674.11, 9,176,342.18 and 3,898,194.12

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Solution

The fourth proportional to 6,649,674.11, 9,176,342.18 and 3,898,194.12 is: 5,379,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649,674.11 : 9,176,342.18 = 3,898,194.12 : x
  2. Step 2: Convert to fraction form
    6,649,674.11/9,176,342.18 = 3,898,194.12/x
  3. Step 3: Cross multiply
    6,649,674.11x = 9,176,342.18 × 3,898,194.12
  4. Step 4: Simplify right side
    6,649,674.11x = 35,771,163,170,997.32
  5. Step 5: Solve for x
    x = 35,771,163,170,997.32/6,649,674.11
  6. Step 6: Final answer
    x = 5,379,385.90

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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.