Home / 38,770,695.33-53,503,559.85-21,367,040.82

Finding the Fourth Proportional to 38,770,695.33, 53,503,559.85 and 21,367,040.82

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Solution

The fourth proportional to 38,770,695.33, 53,503,559.85 and 21,367,040.82 is: 29,486,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,770,695.33 : 53,503,559.85 = 21,367,040.82 : x
  2. Step 2: Convert to fraction form
    38,770,695.33/53,503,559.85 = 21,367,040.82/x
  3. Step 3: Cross multiply
    38,770,695.33x = 53,503,559.85 × 21,367,040.82
  4. Step 4: Simplify right side
    38,770,695.33x = 1,143,212,747,330,263
  5. Step 5: Solve for x
    x = 1,143,212,747,330,263/38,770,695.33
  6. Step 6: Final answer
    x = 29,486,516.49

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Double scale
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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.