Home / 12,286,646.74-16,958,944.65-7,131,669.04

Finding the Fourth Proportional to 12,286,646.74, 16,958,944.65 and 7,131,669.04

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Solution

The fourth proportional to 12,286,646.74, 16,958,944.65 and 7,131,669.04 is: 9,843,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,646.74 : 16,958,944.65 = 7,131,669.04 : x
  2. Step 2: Convert to fraction form
    12,286,646.74/16,958,944.65 = 7,131,669.04/x
  3. Step 3: Cross multiply
    12,286,646.74x = 16,958,944.65 × 7,131,669.04
  4. Step 4: Simplify right side
    12,286,646.74x = 120,945,580,511,478.62
  5. Step 5: Solve for x
    x = 120,945,580,511,478.62/12,286,646.74
  6. Step 6: Final answer
    x = 9,843,660.61

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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.