Home / 21,626,818.56-32,452,988.99-7,989,616.04

Finding the Fourth Proportional to 21,626,818.56, 32,452,988.99 and 7,989,616.04

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Solution

The fourth proportional to 21,626,818.56, 32,452,988.99 and 7,989,616.04 is: 11,989,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626,818.56 : 32,452,988.99 = 7,989,616.04 : x
  2. Step 2: Convert to fraction form
    21,626,818.56/32,452,988.99 = 7,989,616.04/x
  3. Step 3: Cross multiply
    21,626,818.56x = 32,452,988.99 × 7,989,616.04
  4. Step 4: Simplify right side
    21,626,818.56x = 259,286,921,178,234.38
  5. Step 5: Solve for x
    x = 259,286,921,178,234.38/21,626,818.56
  6. Step 6: Final answer
    x = 11,989,138.41

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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.