Home / 38,675,144.10-53,373,221.68-21,273,108.55

Finding the Fourth Proportional to 38,675,144.10, 53,373,221.68 and 21,273,108.55

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Solution

The fourth proportional to 38,675,144.10, 53,373,221.68 and 21,273,108.55 is: 29,357,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,675,144.10 : 53,373,221.68 = 21,273,108.55 : x
  2. Step 2: Convert to fraction form
    38,675,144.10/53,373,221.68 = 21,273,108.55/x
  3. Step 3: Cross multiply
    38,675,144.10x = 53,373,221.68 × 21,273,108.55
  4. Step 4: Simplify right side
    38,675,144.10x = 1,135,414,338,461,853.50
  5. Step 5: Solve for x
    x = 1,135,414,338,461,853.50/38,675,144.10
  6. Step 6: Final answer
    x = 29,357,727.42

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1.5x scale

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.