Home / 36,005,565.42-49,687,990.09-20,536,433.28

Finding the Fourth Proportional to 36,005,565.42, 49,687,990.09 and 20,536,433.28

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Solution

The fourth proportional to 36,005,565.42, 49,687,990.09 and 20,536,433.28 is: 28,340,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005,565.42 : 49,687,990.09 = 20,536,433.28 : x
  2. Step 2: Convert to fraction form
    36,005,565.42/49,687,990.09 = 20,536,433.28/x
  3. Step 3: Cross multiply
    36,005,565.42x = 49,687,990.09 × 20,536,433.28
  4. Step 4: Simplify right side
    36,005,565.42x = 1,020,414,093,300,586.38
  5. Step 5: Solve for x
    x = 1,020,414,093,300,586.38/36,005,565.42
  6. Step 6: Final answer
    x = 28,340,454.63

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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.