Home / 8,642,519.21-12,961,659.04-4,093,403.69

Finding the Fourth Proportional to 8,642,519.21, 12,961,659.04 and 4,093,403.69

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Solution

The fourth proportional to 8,642,519.21, 12,961,659.04 and 4,093,403.69 is: 6,139,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,519.21 : 12,961,659.04 = 4,093,403.69 : x
  2. Step 2: Convert to fraction form
    8,642,519.21/12,961,659.04 = 4,093,403.69/x
  3. Step 3: Cross multiply
    8,642,519.21x = 12,961,659.04 × 4,093,403.69
  4. Step 4: Simplify right side
    8,642,519.21x = 53,057,302,942,857.85
  5. Step 5: Solve for x
    x = 53,057,302,942,857.85/8,642,519.21
  6. Step 6: Final answer
    x = 6,139,101.53

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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.