Home / 20,392,019.22-30,588,029.19-7,613,520.42

Finding the Fourth Proportional to 20,392,019.22, 30,588,029.19 and 7,613,520.42

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Solution

The fourth proportional to 20,392,019.22, 30,588,029.19 and 7,613,520.42 is: 11,420,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392,019.22 : 30,588,029.19 = 7,613,520.42 : x
  2. Step 2: Convert to fraction form
    20,392,019.22/30,588,029.19 = 7,613,520.42/x
  3. Step 3: Cross multiply
    20,392,019.22x = 30,588,029.19 × 7,613,520.42
  4. Step 4: Simplify right side
    20,392,019.22x = 232,882,584,845,621.06
  5. Step 5: Solve for x
    x = 232,882,584,845,621.06/20,392,019.22
  6. Step 6: Final answer
    x = 11,420,280.76

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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.