Home / 15,641,197.82-21,586,131.22-8,674,057.34

Finding the Fourth Proportional to 15,641,197.82, 21,586,131.22 and 8,674,057.34

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Solution

The fourth proportional to 15,641,197.82, 21,586,131.22 and 8,674,057.34 is: 11,970,907.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641,197.82 : 21,586,131.22 = 8,674,057.34 : x
  2. Step 2: Convert to fraction form
    15,641,197.82/21,586,131.22 = 8,674,057.34/x
  3. Step 3: Cross multiply
    15,641,197.82x = 21,586,131.22 × 8,674,057.34
  4. Step 4: Simplify right side
    15,641,197.82x = 187,239,339,821,428.38
  5. Step 5: Solve for x
    x = 187,239,339,821,428.38/15,641,197.82
  6. Step 6: Final answer
    x = 11,970,907.99

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1.5x scale

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.