Home / 11,263,815.78-16,868,166.84-10,172,065.80

Finding the Fourth Proportional to 11,263,815.78, 16,868,166.84 and 10,172,065.80

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Solution

The fourth proportional to 11,263,815.78, 16,868,166.84 and 10,172,065.80 is: 15,233,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263,815.78 : 16,868,166.84 = 10,172,065.80 : x
  2. Step 2: Convert to fraction form
    11,263,815.78/16,868,166.84 = 10,172,065.80/x
  3. Step 3: Cross multiply
    11,263,815.78x = 16,868,166.84 × 10,172,065.80
  4. Step 4: Simplify right side
    11,263,815.78x = 171,584,103,021,858.09
  5. Step 5: Solve for x
    x = 171,584,103,021,858.09/11,263,815.78
  6. Step 6: Final answer
    x = 15,233,212.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.