Home / 13,745,131.55-18,967,175.35-7,944,289.01

Finding the Fourth Proportional to 13,745,131.55, 18,967,175.35 and 7,944,289.01

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Solution

The fourth proportional to 13,745,131.55, 18,967,175.35 and 7,944,289.01 is: 10,962,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,131.55 : 18,967,175.35 = 7,944,289.01 : x
  2. Step 2: Convert to fraction form
    13,745,131.55/18,967,175.35 = 7,944,289.01/x
  3. Step 3: Cross multiply
    13,745,131.55x = 18,967,175.35 × 7,944,289.01
  4. Step 4: Simplify right side
    13,745,131.55x = 150,680,722,549,190.56
  5. Step 5: Solve for x
    x = 150,680,722,549,190.56/13,745,131.55
  6. Step 6: Final answer
    x = 10,962,479.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.