Home / 21,932,623.10-32,969,793.45-20,232,011.90

Finding the Fourth Proportional to 21,932,623.10, 32,969,793.45 and 20,232,011.90

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Solution

The fourth proportional to 21,932,623.10, 32,969,793.45 and 20,232,011.90 is: 30,413,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932,623.10 : 32,969,793.45 = 20,232,011.90 : x
  2. Step 2: Convert to fraction form
    21,932,623.10/32,969,793.45 = 20,232,011.90/x
  3. Step 3: Cross multiply
    21,932,623.10x = 32,969,793.45 × 20,232,011.90
  4. Step 4: Simplify right side
    21,932,623.10x = 667,045,253,420,942
  5. Step 5: Solve for x
    x = 667,045,253,420,942/21,932,623.10
  6. Step 6: Final answer
    x = 30,413,382.40

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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.