Home / 26,305,717.20-39,458,575.80-13,508,379.60

Finding the Fourth Proportional to 26,305,717.20, 39,458,575.80 and 13,508,379.60

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Solution

The fourth proportional to 26,305,717.20, 39,458,575.80 and 13,508,379.60 is: 20,262,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,305,717.20 : 39,458,575.80 = 13,508,379.60 : x
  2. Step 2: Convert to fraction form
    26,305,717.20/39,458,575.80 = 13,508,379.60/x
  3. Step 3: Cross multiply
    26,305,717.20x = 39,458,575.80 × 13,508,379.60
  4. Step 4: Simplify right side
    26,305,717.20x = 533,021,420,381,773.62
  5. Step 5: Solve for x
    x = 533,021,420,381,773.62/26,305,717.20
  6. Step 6: Final answer
    x = 20,262,569.40

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1.5x scale

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.