Home / 7,974,605.20-11,964,672.60-3,490,099.60

Finding the Fourth Proportional to 7,974,605.20, 11,964,672.60 and 3,490,099.60

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Solution

The fourth proportional to 7,974,605.20, 11,964,672.60 and 3,490,099.60 is: 5,236,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974,605.20 : 11,964,672.60 = 3,490,099.60 : x
  2. Step 2: Convert to fraction form
    7,974,605.20/11,964,672.60 = 3,490,099.60/x
  3. Step 3: Cross multiply
    7,974,605.20x = 11,964,672.60 × 3,490,099.60
  4. Step 4: Simplify right side
    7,974,605.20x = 41,757,899,055,390.96
  5. Step 5: Solve for x
    x = 41,757,899,055,390.96/7,974,605.20
  6. Step 6: Final answer
    x = 5,236,359.42

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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.