Home / 8,522,016.40-12,766,435.80-5,146,195.60

Finding the Fourth Proportional to 8,522,016.40, 12,766,435.80 and 5,146,195.60

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Solution

The fourth proportional to 8,522,016.40, 12,766,435.80 and 5,146,195.60 is: 7,709,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522,016.40 : 12,766,435.80 = 5,146,195.60 : x
  2. Step 2: Convert to fraction form
    8,522,016.40/12,766,435.80 = 5,146,195.60/x
  3. Step 3: Cross multiply
    8,522,016.40x = 12,766,435.80 × 5,146,195.60
  4. Step 4: Simplify right side
    8,522,016.40x = 65,698,575,741,642.48
  5. Step 5: Solve for x
    x = 65,698,575,741,642.48/8,522,016.40
  6. Step 6: Final answer
    x = 7,709,275.91

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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.