Home / 7,977,914.46-11,962,672.65-5,454,291.42

Finding the Fourth Proportional to 7,977,914.46, 11,962,672.65 and 5,454,291.42

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Solution

The fourth proportional to 7,977,914.46, 11,962,672.65 and 5,454,291.42 is: 8,178,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977,914.46 : 11,962,672.65 = 5,454,291.42 : x
  2. Step 2: Convert to fraction form
    7,977,914.46/11,962,672.65 = 5,454,291.42/x
  3. Step 3: Cross multiply
    7,977,914.46x = 11,962,672.65 × 5,454,291.42
  4. Step 4: Simplify right side
    7,977,914.46x = 65,247,902,795,163.66
  5. Step 5: Solve for x
    x = 65,247,902,795,163.66/7,977,914.46
  6. Step 6: Final answer
    x = 8,178,566.36

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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.