Home / 18,043,523.70-27,065,285.55-13,791,995.70

Finding the Fourth Proportional to 18,043,523.70, 27,065,285.55 and 13,791,995.70

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Solution

The fourth proportional to 18,043,523.70, 27,065,285.55 and 13,791,995.70 is: 20,687,993.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043,523.70 : 27,065,285.55 = 13,791,995.70 : x
  2. Step 2: Convert to fraction form
    18,043,523.70/27,065,285.55 = 13,791,995.70/x
  3. Step 3: Cross multiply
    18,043,523.70x = 27,065,285.55 × 13,791,995.70
  4. Step 4: Simplify right side
    18,043,523.70x = 373,284,301,924,872.12
  5. Step 5: Solve for x
    x = 373,284,301,924,872.12/18,043,523.70
  6. Step 6: Final answer
    x = 20,687,993.55

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Similar ratio
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1.5x scale

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.