Home / 18,453,343.70-27,680,015.55-17,613,535.70

Finding the Fourth Proportional to 18,453,343.70, 27,680,015.55 and 17,613,535.70

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Solution

The fourth proportional to 18,453,343.70, 27,680,015.55 and 17,613,535.70 is: 26,420,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,343.70 : 27,680,015.55 = 17,613,535.70 : x
  2. Step 2: Convert to fraction form
    18,453,343.70/27,680,015.55 = 17,613,535.70/x
  3. Step 3: Cross multiply
    18,453,343.70x = 27,680,015.55 × 17,613,535.70
  4. Step 4: Simplify right side
    18,453,343.70x = 487,542,942,066,480.12
  5. Step 5: Solve for x
    x = 487,542,942,066,480.12/18,453,343.70
  6. Step 6: Final answer
    x = 26,420,303.55

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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.