Home / 18,043,816.40-27,065,724.60-5,265,612.80

Finding the Fourth Proportional to 18,043,816.40, 27,065,724.60 and 5,265,612.80

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Solution

The fourth proportional to 18,043,816.40, 27,065,724.60 and 5,265,612.80 is: 7,898,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043,816.40 : 27,065,724.60 = 5,265,612.80 : x
  2. Step 2: Convert to fraction form
    18,043,816.40/27,065,724.60 = 5,265,612.80/x
  3. Step 3: Cross multiply
    18,043,816.40x = 27,065,724.60 × 5,265,612.80
  4. Step 4: Simplify right side
    18,043,816.40x = 142,517,625,895,034.88
  5. Step 5: Solve for x
    x = 142,517,625,895,034.88/18,043,816.40
  6. Step 6: Final answer
    x = 7,898,419.20

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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.