Home / 11,191,129.60-16,790,841.60-3,618,342.40

Finding the Fourth Proportional to 11,191,129.60, 16,790,841.60 and 3,618,342.40

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Solution

The fourth proportional to 11,191,129.60, 16,790,841.60 and 3,618,342.40 is: 5,428,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191,129.60 : 16,790,841.60 = 3,618,342.40 : x
  2. Step 2: Convert to fraction form
    11,191,129.60/16,790,841.60 = 3,618,342.40/x
  3. Step 3: Cross multiply
    11,191,129.60x = 16,790,841.60 × 3,618,342.40
  4. Step 4: Simplify right side
    11,191,129.60x = 60,755,014,092,963.84
  5. Step 5: Solve for x
    x = 60,755,014,092,963.84/11,191,129.60
  6. Step 6: Final answer
    x = 5,428,854.48

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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.