Home / 12,695,857.05-17,525,643.77-8,571,472.71

Finding the Fourth Proportional to 12,695,857.05, 17,525,643.77 and 8,571,472.71

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Solution

The fourth proportional to 12,695,857.05, 17,525,643.77 and 8,571,472.71 is: 11,832,251.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695,857.05 : 17,525,643.77 = 8,571,472.71 : x
  2. Step 2: Convert to fraction form
    12,695,857.05/17,525,643.77 = 8,571,472.71/x
  3. Step 3: Cross multiply
    12,695,857.05x = 17,525,643.77 × 8,571,472.71
  4. Step 4: Simplify right side
    12,695,857.05x = 150,220,577,256,879.19
  5. Step 5: Solve for x
    x = 150,220,577,256,879.19/12,695,857.05
  6. Step 6: Final answer
    x = 11,832,251.79

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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.