Home / 18,043,815.90-27,065,723.85-5,265,612.30

Finding the Fourth Proportional to 18,043,815.90, 27,065,723.85 and 5,265,612.30

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Solution

The fourth proportional to 18,043,815.90, 27,065,723.85 and 5,265,612.30 is: 7,898,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043,815.90 : 27,065,723.85 = 5,265,612.30 : x
  2. Step 2: Convert to fraction form
    18,043,815.90/27,065,723.85 = 5,265,612.30/x
  3. Step 3: Cross multiply
    18,043,815.90x = 27,065,723.85 × 5,265,612.30
  4. Step 4: Simplify right side
    18,043,815.90x = 142,517,608,412,963.34
  5. Step 5: Solve for x
    x = 142,517,608,412,963.34/18,043,815.90
  6. Step 6: Final answer
    x = 7,898,418.45

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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.