Home / 7,781,652.78-11,672,904.92-3,233,161.56

Finding the Fourth Proportional to 7,781,652.78, 11,672,904.92 and 3,233,161.56

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Solution

The fourth proportional to 7,781,652.78, 11,672,904.92 and 3,233,161.56 is: 4,849,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781,652.78 : 11,672,904.92 = 3,233,161.56 : x
  2. Step 2: Convert to fraction form
    7,781,652.78/11,672,904.92 = 3,233,161.56/x
  3. Step 3: Cross multiply
    7,781,652.78x = 11,672,904.92 × 3,233,161.56
  4. Step 4: Simplify right side
    7,781,652.78x = 37,740,387,480,878.88
  5. Step 5: Solve for x
    x = 37,740,387,480,878.88/7,781,652.78
  6. Step 6: Final answer
    x = 4,849,919.23

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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.