Home / 13,309,854.60-18,367,611.69-7,198,283.10

Finding the Fourth Proportional to 13,309,854.60, 18,367,611.69 and 7,198,283.10

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Solution

The fourth proportional to 13,309,854.60, 18,367,611.69 and 7,198,283.10 is: 9,933,637.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,854.60 : 18,367,611.69 = 7,198,283.10 : x
  2. Step 2: Convert to fraction form
    13,309,854.60/18,367,611.69 = 7,198,283.10/x
  3. Step 3: Cross multiply
    13,309,854.60x = 18,367,611.69 × 7,198,283.10
  4. Step 4: Simplify right side
    13,309,854.60x = 132,215,268,815,489.44
  5. Step 5: Solve for x
    x = 132,215,268,815,489.44/13,309,854.60
  6. Step 6: Final answer
    x = 9,933,637.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.