Home / 15,401,639.43-21,248,033.22-8,871,771.33

Finding the Fourth Proportional to 15,401,639.43, 21,248,033.22 and 8,871,771.33

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Solution

The fourth proportional to 15,401,639.43, 21,248,033.22 and 8,871,771.33 is: 12,239,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,639.43 : 21,248,033.22 = 8,871,771.33 : x
  2. Step 2: Convert to fraction form
    15,401,639.43/21,248,033.22 = 8,871,771.33/x
  3. Step 3: Cross multiply
    15,401,639.43x = 21,248,033.22 × 8,871,771.33
  4. Step 4: Simplify right side
    15,401,639.43x = 188,507,691,940,083.56
  5. Step 5: Solve for x
    x = 188,507,691,940,083.56/15,401,639.43
  6. Step 6: Final answer
    x = 12,239,456.25

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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.