Home / 13,305,910.60-19,958,865.90-3,722,039.20

Finding the Fourth Proportional to 13,305,910.60, 19,958,865.90 and 3,722,039.20

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Solution

The fourth proportional to 13,305,910.60, 19,958,865.90 and 3,722,039.20 is: 5,583,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,910.60 : 19,958,865.90 = 3,722,039.20 : x
  2. Step 2: Convert to fraction form
    13,305,910.60/19,958,865.90 = 3,722,039.20/x
  3. Step 3: Cross multiply
    13,305,910.60x = 19,958,865.90 × 3,722,039.20
  4. Step 4: Simplify right side
    13,305,910.60x = 74,287,681,267,343.28
  5. Step 5: Solve for x
    x = 74,287,681,267,343.28/13,305,910.60
  6. Step 6: Final answer
    x = 5,583,058.80

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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.