Home / 12,286,651.24-16,958,950.86-7,131,673.54

Finding the Fourth Proportional to 12,286,651.24, 16,958,950.86 and 7,131,673.54

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Solution

The fourth proportional to 12,286,651.24, 16,958,950.86 and 7,131,673.54 is: 9,843,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,651.24 : 16,958,950.86 = 7,131,673.54 : x
  2. Step 2: Convert to fraction form
    12,286,651.24/16,958,950.86 = 7,131,673.54/x
  3. Step 3: Cross multiply
    12,286,651.24x = 16,958,950.86 × 7,131,673.54
  4. Step 4: Simplify right side
    12,286,651.24x = 120,945,701,114,422.23
  5. Step 5: Solve for x
    x = 120,945,701,114,422.23/12,286,651.24
  6. Step 6: Final answer
    x = 9,843,666.82

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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.