Home / 28,632,195.52-39,497,372.72-17,021,500

Finding the Fourth Proportional to 28,632,195.52, 39,497,372.72 and 17,021,500

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Solution

The fourth proportional to 28,632,195.52, 39,497,372.72 and 17,021,500 is: 23,480,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632,195.52 : 39,497,372.72 = 17,021,500 : x
  2. Step 2: Convert to fraction form
    28,632,195.52/39,497,372.72 = 17,021,500/x
  3. Step 3: Cross multiply
    28,632,195.52x = 39,497,372.72 × 17,021,500
  4. Step 4: Simplify right side
    28,632,195.52x = 672,304,529,753,480
  5. Step 5: Solve for x
    x = 672,304,529,753,480/28,632,195.52
  6. Step 6: Final answer
    x = 23,480,718.73

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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.