Home / 12,640,782.33-18,961,725.35-4,005,519.15

Finding the Fourth Proportional to 12,640,782.33, 18,961,725.35 and 4,005,519.15

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Solution

The fourth proportional to 12,640,782.33, 18,961,725.35 and 4,005,519.15 is: 6,008,453.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,640,782.33 : 18,961,725.35 = 4,005,519.15 : x
  2. Step 2: Convert to fraction form
    12,640,782.33/18,961,725.35 = 4,005,519.15/x
  3. Step 3: Cross multiply
    12,640,782.33x = 18,961,725.35 × 4,005,519.15
  4. Step 4: Simplify right side
    12,640,782.33x = 75,951,553,996,326.48
  5. Step 5: Solve for x
    x = 75,951,553,996,326.48/12,640,782.33
  6. Step 6: Final answer
    x = 6,008,453.59

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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.