Home / 15,809,435.82-23,695,850.97-7,271,854.38

Finding the Fourth Proportional to 15,809,435.82, 23,695,850.97 and 7,271,854.38

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Solution

The fourth proportional to 15,809,435.82, 23,695,850.97 and 7,271,854.38 is: 10,899,362.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809,435.82 : 23,695,850.97 = 7,271,854.38 : x
  2. Step 2: Convert to fraction form
    15,809,435.82/23,695,850.97 = 7,271,854.38/x
  3. Step 3: Cross multiply
    15,809,435.82x = 23,695,850.97 × 7,271,854.38
  4. Step 4: Simplify right side
    15,809,435.82x = 172,312,777,664,021.75
  5. Step 5: Solve for x
    x = 172,312,777,664,021.75/15,809,435.82
  6. Step 6: Final answer
    x = 10,899,362.86

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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.