Home / 12,957,414.48-19,434,124.26-4,321,665.90

Finding the Fourth Proportional to 12,957,414.48, 19,434,124.26 and 4,321,665.90

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Solution

The fourth proportional to 12,957,414.48, 19,434,124.26 and 4,321,665.90 is: 6,481,832.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957,414.48 : 19,434,124.26 = 4,321,665.90 : x
  2. Step 2: Convert to fraction form
    12,957,414.48/19,434,124.26 = 4,321,665.90/x
  3. Step 3: Cross multiply
    12,957,414.48x = 19,434,124.26 × 4,321,665.90
  4. Step 4: Simplify right side
    12,957,414.48x = 83,987,792,110,804.75
  5. Step 5: Solve for x
    x = 83,987,792,110,804.75/12,957,414.48
  6. Step 6: Final answer
    x = 6,481,832.64

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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.