Home / 13,371,928.40-20,058,007.80-3,787,518.80

Finding the Fourth Proportional to 13,371,928.40, 20,058,007.80 and 3,787,518.80

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Solution

The fourth proportional to 13,371,928.40, 20,058,007.80 and 3,787,518.80 is: 5,681,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371,928.40 : 20,058,007.80 = 3,787,518.80 : x
  2. Step 2: Convert to fraction form
    13,371,928.40/20,058,007.80 = 3,787,518.80/x
  3. Step 3: Cross multiply
    13,371,928.40x = 20,058,007.80 × 3,787,518.80
  4. Step 4: Simplify right side
    13,371,928.40x = 75,970,081,633,046.64
  5. Step 5: Solve for x
    x = 75,970,081,633,046.64/13,371,928.40
  6. Step 6: Final answer
    x = 5,681,310.83

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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.