Home / 38,615,733.60-57,923,600.40-20,412,895.20

Finding the Fourth Proportional to 38,615,733.60, 57,923,600.40 and 20,412,895.20

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Solution

The fourth proportional to 38,615,733.60, 57,923,600.40 and 20,412,895.20 is: 30,619,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,615,733.60 : 57,923,600.40 = 20,412,895.20 : x
  2. Step 2: Convert to fraction form
    38,615,733.60/57,923,600.40 = 20,412,895.20/x
  3. Step 3: Cross multiply
    38,615,733.60x = 57,923,600.40 × 20,412,895.20
  4. Step 4: Simplify right side
    38,615,733.60x = 1,182,388,384,571,878
  5. Step 5: Solve for x
    x = 1,182,388,384,571,878/38,615,733.60
  6. Step 6: Final answer
    x = 30,619,342.80

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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.