Home / 12,640,783.33-18,961,726.85-4,005,520.15

Finding the Fourth Proportional to 12,640,783.33, 18,961,726.85 and 4,005,520.15

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Solution

The fourth proportional to 12,640,783.33, 18,961,726.85 and 4,005,520.15 is: 6,008,455.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,640,783.33 : 18,961,726.85 = 4,005,520.15 : x
  2. Step 2: Convert to fraction form
    12,640,783.33/18,961,726.85 = 4,005,520.15/x
  3. Step 3: Cross multiply
    12,640,783.33x = 18,961,726.85 × 4,005,520.15
  4. Step 4: Simplify right side
    12,640,783.33x = 75,951,578,976,471.03
  5. Step 5: Solve for x
    x = 75,951,578,976,471.03/12,640,783.33
  6. Step 6: Final answer
    x = 6,008,455.09

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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.