Home / 12,944,771.32-17,864,163.15-7,064,782.65

Finding the Fourth Proportional to 12,944,771.32, 17,864,163.15 and 7,064,782.65

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Solution

The fourth proportional to 12,944,771.32, 17,864,163.15 and 7,064,782.65 is: 9,749,606.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,771.32 : 17,864,163.15 = 7,064,782.65 : x
  2. Step 2: Convert to fraction form
    12,944,771.32/17,864,163.15 = 7,064,782.65/x
  3. Step 3: Cross multiply
    12,944,771.32x = 17,864,163.15 × 7,064,782.65
  4. Step 4: Simplify right side
    12,944,771.32x = 126,206,429,789,568.52
  5. Step 5: Solve for x
    x = 126,206,429,789,568.52/12,944,771.32
  6. Step 6: Final answer
    x = 9,749,606.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.