Home / 38,591,854.62-53,256,864.16-21,189,327

Finding the Fourth Proportional to 38,591,854.62, 53,256,864.16 and 21,189,327

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Solution

The fourth proportional to 38,591,854.62, 53,256,864.16 and 21,189,327 is: 29,241,328.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,591,854.62 : 53,256,864.16 = 21,189,327 : x
  2. Step 2: Convert to fraction form
    38,591,854.62/53,256,864.16 = 21,189,327/x
  3. Step 3: Cross multiply
    38,591,854.62x = 53,256,864.16 × 21,189,327
  4. Step 4: Simplify right side
    38,591,854.62x = 1,128,477,109,680,820.25
  5. Step 5: Solve for x
    x = 1,128,477,109,680,820.25/38,591,854.62
  6. Step 6: Final answer
    x = 29,241,328.79

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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.