Home / 18,043,820.40-27,065,730.60-5,265,616.80

Finding the Fourth Proportional to 18,043,820.40, 27,065,730.60 and 5,265,616.80

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Solution

The fourth proportional to 18,043,820.40, 27,065,730.60 and 5,265,616.80 is: 7,898,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043,820.40 : 27,065,730.60 = 5,265,616.80 : x
  2. Step 2: Convert to fraction form
    18,043,820.40/27,065,730.60 = 5,265,616.80/x
  3. Step 3: Cross multiply
    18,043,820.40x = 27,065,730.60 × 5,265,616.80
  4. Step 4: Simplify right side
    18,043,820.40x = 142,517,765,751,634.09
  5. Step 5: Solve for x
    x = 142,517,765,751,634.09/18,043,820.40
  6. Step 6: Final answer
    x = 7,898,425.20

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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.