Home / 8,074,729.09-12,107,215.10-3,217,782.79

Finding the Fourth Proportional to 8,074,729.09, 12,107,215.10 and 3,217,782.79

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Solution

The fourth proportional to 8,074,729.09, 12,107,215.10 and 3,217,782.79 is: 4,824,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074,729.09 : 12,107,215.10 = 3,217,782.79 : x
  2. Step 2: Convert to fraction form
    8,074,729.09/12,107,215.10 = 3,217,782.79/x
  3. Step 3: Cross multiply
    8,074,729.09x = 12,107,215.10 × 3,217,782.79
  4. Step 4: Simplify right side
    8,074,729.09x = 38,958,388,367,519.22
  5. Step 5: Solve for x
    x = 38,958,388,367,519.22/8,074,729.09
  6. Step 6: Final answer
    x = 4,824,730.08

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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.