Home / 38,988,227.72-53,801,708.50-21,343,747.68

Finding the Fourth Proportional to 38,988,227.72, 53,801,708.50 and 21,343,747.68

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Solution

The fourth proportional to 38,988,227.72, 53,801,708.50 and 21,343,747.68 is: 29,453,251.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988,227.72 : 53,801,708.50 = 21,343,747.68 : x
  2. Step 2: Convert to fraction form
    38,988,227.72/53,801,708.50 = 21,343,747.68/x
  3. Step 3: Cross multiply
    38,988,227.72x = 53,801,708.50 × 21,343,747.68
  4. Step 4: Simplify right side
    38,988,227.72x = 1,148,330,090,976,911.25
  5. Step 5: Solve for x
    x = 1,148,330,090,976,911.25/38,988,227.72
  6. Step 6: Final answer
    x = 29,453,251.87

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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.