Home / 15,800,469.13-21,804,647.42-8,557,125.13

Finding the Fourth Proportional to 15,800,469.13, 21,804,647.42 and 8,557,125.13

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Solution

The fourth proportional to 15,800,469.13, 21,804,647.42 and 8,557,125.13 is: 11,808,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800,469.13 : 21,804,647.42 = 8,557,125.13 : x
  2. Step 2: Convert to fraction form
    15,800,469.13/21,804,647.42 = 8,557,125.13/x
  3. Step 3: Cross multiply
    15,800,469.13x = 21,804,647.42 × 8,557,125.13
  4. Step 4: Simplify right side
    15,800,469.13x = 186,585,096,388,471.69
  5. Step 5: Solve for x
    x = 186,585,096,388,471.69/15,800,469.13
  6. Step 6: Final answer
    x = 11,808,832.69

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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.