Home / 8,456,115.40-12,686,505.90-4,196,422.60

Finding the Fourth Proportional to 8,456,115.40, 12,686,505.90 and 4,196,422.60

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Solution

The fourth proportional to 8,456,115.40, 12,686,505.90 and 4,196,422.60 is: 6,295,791.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456,115.40 : 12,686,505.90 = 4,196,422.60 : x
  2. Step 2: Convert to fraction form
    8,456,115.40/12,686,505.90 = 4,196,422.60/x
  3. Step 3: Cross multiply
    8,456,115.40x = 12,686,505.90 × 4,196,422.60
  4. Step 4: Simplify right side
    8,456,115.40x = 53,237,940,073,793.34
  5. Step 5: Solve for x
    x = 53,237,940,073,793.34/8,456,115.40
  6. Step 6: Final answer
    x = 6,295,791.57

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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.