Home / 38,556,661.96-57,798,236.46-12,984,512.20

Finding the Fourth Proportional to 38,556,661.96, 57,798,236.46 and 12,984,512.20

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Solution

The fourth proportional to 38,556,661.96, 57,798,236.46 and 12,984,512.20 is: 19,464,390.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,556,661.96 : 57,798,236.46 = 12,984,512.20 : x
  2. Step 2: Convert to fraction form
    38,556,661.96/57,798,236.46 = 12,984,512.20/x
  3. Step 3: Cross multiply
    38,556,661.96x = 57,798,236.46 × 12,984,512.20
  4. Step 4: Simplify right side
    38,556,661.96x = 750,481,906,453,354.75
  5. Step 5: Solve for x
    x = 750,481,906,453,354.75/38,556,661.96
  6. Step 6: Final answer
    x = 19,464,390.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.