Home / 38,135,840.40-57,203,760.60-12,575,496.60

Finding the Fourth Proportional to 38,135,840.40, 57,203,760.60 and 12,575,496.60

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Solution

The fourth proportional to 38,135,840.40, 57,203,760.60 and 12,575,496.60 is: 18,863,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135,840.40 : 57,203,760.60 = 12,575,496.60 : x
  2. Step 2: Convert to fraction form
    38,135,840.40/57,203,760.60 = 12,575,496.60/x
  3. Step 3: Cross multiply
    38,135,840.40x = 57,203,760.60 × 12,575,496.60
  4. Step 4: Simplify right side
    38,135,840.40x = 719,365,696,932,514
  5. Step 5: Solve for x
    x = 719,365,696,932,514/38,135,840.40
  6. Step 6: Final answer
    x = 18,863,244.90

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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.