Home / 38,387,245.11-57,580,867.83-12,828,254.52

Finding the Fourth Proportional to 38,387,245.11, 57,580,867.83 and 12,828,254.52

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Solution

The fourth proportional to 38,387,245.11, 57,580,867.83 and 12,828,254.52 is: 19,242,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,387,245.11 : 57,580,867.83 = 12,828,254.52 : x
  2. Step 2: Convert to fraction form
    38,387,245.11/57,580,867.83 = 12,828,254.52/x
  3. Step 3: Cross multiply
    38,387,245.11x = 57,580,867.83 × 12,828,254.52
  4. Step 4: Simplify right side
    38,387,245.11x = 738,662,028,005,720
  5. Step 5: Solve for x
    x = 738,662,028,005,720/38,387,245.11
  6. Step 6: Final answer
    x = 19,242,381.84

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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.