Home / 12,286,593.76-16,958,871.76-7,131,616.16

Finding the Fourth Proportional to 12,286,593.76, 16,958,871.76 and 7,131,616.16

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Solution

The fourth proportional to 12,286,593.76, 16,958,871.76 and 7,131,616.16 is: 9,843,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,593.76 : 16,958,871.76 = 7,131,616.16 : x
  2. Step 2: Convert to fraction form
    12,286,593.76/16,958,871.76 = 7,131,616.16/x
  3. Step 3: Cross multiply
    12,286,593.76x = 16,958,871.76 × 7,131,616.16
  4. Step 4: Simplify right side
    12,286,593.76x = 120,944,163,898,983.66
  5. Step 5: Solve for x
    x = 120,944,163,898,983.66/12,286,593.76
  6. Step 6: Final answer
    x = 9,843,587.76

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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.