Home / 8,764,537.40-13,146,806.10-7,420,844.60

Finding the Fourth Proportional to 8,764,537.40, 13,146,806.10 and 7,420,844.60

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Solution

The fourth proportional to 8,764,537.40, 13,146,806.10 and 7,420,844.60 is: 11,131,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,537.40 : 13,146,806.10 = 7,420,844.60 : x
  2. Step 2: Convert to fraction form
    8,764,537.40/13,146,806.10 = 7,420,844.60/x
  3. Step 3: Cross multiply
    8,764,537.40x = 13,146,806.10 × 7,420,844.60
  4. Step 4: Simplify right side
    8,764,537.40x = 97,560,405,054,432.05
  5. Step 5: Solve for x
    x = 97,560,405,054,432.05/8,764,537.40
  6. Step 6: Final answer
    x = 11,131,266.90

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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.