Home / 38,615,745.10-57,923,617.65-20,412,906.70

Finding the Fourth Proportional to 38,615,745.10, 57,923,617.65 and 20,412,906.70

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Solution

The fourth proportional to 38,615,745.10, 57,923,617.65 and 20,412,906.70 is: 30,619,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,615,745.10 : 57,923,617.65 = 20,412,906.70 : x
  2. Step 2: Convert to fraction form
    38,615,745.10/57,923,617.65 = 20,412,906.70/x
  3. Step 3: Cross multiply
    38,615,745.10x = 57,923,617.65 × 20,412,906.70
  4. Step 4: Simplify right side
    38,615,745.10x = 1,182,389,402,815,923.25
  5. Step 5: Solve for x
    x = 1,182,389,402,815,923.25/38,615,745.10
  6. Step 6: Final answer
    x = 30,619,360.05

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1.5x scale

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.