Home / 8,309,117.80-12,464,843.10-2,628,749.80

Finding the Fourth Proportional to 8,309,117.80, 12,464,843.10 and 2,628,749.80

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Solution

The fourth proportional to 8,309,117.80, 12,464,843.10 and 2,628,749.80 is: 3,943,493.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,117.80 : 12,464,843.10 = 2,628,749.80 : x
  2. Step 2: Convert to fraction form
    8,309,117.80/12,464,843.10 = 2,628,749.80/x
  3. Step 3: Cross multiply
    8,309,117.80x = 12,464,843.10 × 2,628,749.80
  4. Step 4: Simplify right side
    8,309,117.80x = 32,766,953,806,156.38
  5. Step 5: Solve for x
    x = 32,766,953,806,156.38/8,309,117.80
  6. Step 6: Final answer
    x = 3,943,493.71

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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.