Home / 38,415,189.60-57,603,085.20-11,485,346.40

Finding the Fourth Proportional to 38,415,189.60, 57,603,085.20 and 11,485,346.40

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Solution

The fourth proportional to 38,415,189.60, 57,603,085.20 and 11,485,346.40 is: 17,222,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,415,189.60 : 57,603,085.20 = 11,485,346.40 : x
  2. Step 2: Convert to fraction form
    38,415,189.60/57,603,085.20 = 11,485,346.40/x
  3. Step 3: Cross multiply
    38,415,189.60x = 57,603,085.20 × 11,485,346.40
  4. Step 4: Simplify right side
    38,415,189.60x = 661,591,387,230,713.38
  5. Step 5: Solve for x
    x = 661,591,387,230,713.38/38,415,189.60
  6. Step 6: Final answer
    x = 17,222,129.95

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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.