Home / 20,648,456.82-30,972,629.85-7,694,312.56

Finding the Fourth Proportional to 20,648,456.82, 30,972,629.85 and 7,694,312.56

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Solution

The fourth proportional to 20,648,456.82, 30,972,629.85 and 7,694,312.56 is: 11,541,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,648,456.82 : 30,972,629.85 = 7,694,312.56 : x
  2. Step 2: Convert to fraction form
    20,648,456.82/30,972,629.85 = 7,694,312.56/x
  3. Step 3: Cross multiply
    20,648,456.82x = 30,972,629.85 × 7,694,312.56
  4. Step 4: Simplify right side
    20,648,456.82x = 238,313,094,871,085.91
  5. Step 5: Solve for x
    x = 238,313,094,871,085.91/20,648,456.82
  6. Step 6: Final answer
    x = 11,541,448.20

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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.