Home / 10,378,957.10-15,568,435.65-4,621,679.60

Finding the Fourth Proportional to 10,378,957.10, 15,568,435.65 and 4,621,679.60

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Solution

The fourth proportional to 10,378,957.10, 15,568,435.65 and 4,621,679.60 is: 6,932,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,957.10 : 15,568,435.65 = 4,621,679.60 : x
  2. Step 2: Convert to fraction form
    10,378,957.10/15,568,435.65 = 4,621,679.60/x
  3. Step 3: Cross multiply
    10,378,957.10x = 15,568,435.65 × 4,621,679.60
  4. Step 4: Simplify right side
    10,378,957.10x = 71,952,321,447,517.73
  5. Step 5: Solve for x
    x = 71,952,321,447,517.73/10,378,957.10
  6. Step 6: Final answer
    x = 6,932,519.40

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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.