Home / 26,571,390.80-39,857,086.20-8,620,494.80

Finding the Fourth Proportional to 26,571,390.80, 39,857,086.20 and 8,620,494.80

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Solution

The fourth proportional to 26,571,390.80, 39,857,086.20 and 8,620,494.80 is: 12,930,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,571,390.80 : 39,857,086.20 = 8,620,494.80 : x
  2. Step 2: Convert to fraction form
    26,571,390.80/39,857,086.20 = 8,620,494.80/x
  3. Step 3: Cross multiply
    26,571,390.80x = 39,857,086.20 × 8,620,494.80
  4. Step 4: Simplify right side
    26,571,390.80x = 343,587,804,330,251.81
  5. Step 5: Solve for x
    x = 343,587,804,330,251.81/26,571,390.80
  6. Step 6: Final answer
    x = 12,930,742.20

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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.