Home / 8,333,256.78-12,498,595.78-3,214,940.21

Finding the Fourth Proportional to 8,333,256.78, 12,498,595.78 and 3,214,940.21

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Solution

The fourth proportional to 8,333,256.78, 12,498,595.78 and 3,214,940.21 is: 4,821,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,256.78 : 12,498,595.78 = 3,214,940.21 : x
  2. Step 2: Convert to fraction form
    8,333,256.78/12,498,595.78 = 3,214,940.21/x
  3. Step 3: Cross multiply
    8,333,256.78x = 12,498,595.78 × 3,214,940.21
  4. Step 4: Simplify right side
    8,333,256.78x = 40,182,238,141,658.31
  5. Step 5: Solve for x
    x = 40,182,238,141,658.31/8,333,256.78
  6. Step 6: Final answer
    x = 4,821,912.87

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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.