Home / 7,977,872.96-11,962,610.40-5,454,249.92

Finding the Fourth Proportional to 7,977,872.96, 11,962,610.40 and 5,454,249.92

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Solution

The fourth proportional to 7,977,872.96, 11,962,610.40 and 5,454,249.92 is: 8,178,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977,872.96 : 11,962,610.40 = 5,454,249.92 : x
  2. Step 2: Convert to fraction form
    7,977,872.96/11,962,610.40 = 5,454,249.92/x
  3. Step 3: Cross multiply
    7,977,872.96x = 11,962,610.40 × 5,454,249.92
  4. Step 4: Simplify right side
    7,977,872.96x = 65,247,066,817,191.17
  5. Step 5: Solve for x
    x = 65,247,066,817,191.17/7,977,872.96
  6. Step 6: Final answer
    x = 8,178,504.11

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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.