Home / 13,590,954.87-20,362,517.42-12,781,836.15

Finding the Fourth Proportional to 13,590,954.87, 20,362,517.42 and 12,781,836.15

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Solution

The fourth proportional to 13,590,954.87, 20,362,517.42 and 12,781,836.15 is: 19,150,263.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,954.87 : 20,362,517.42 = 12,781,836.15 : x
  2. Step 2: Convert to fraction form
    13,590,954.87/20,362,517.42 = 12,781,836.15/x
  3. Step 3: Cross multiply
    13,590,954.87x = 20,362,517.42 × 12,781,836.15
  4. Step 4: Simplify right side
    13,590,954.87x = 260,270,361,200,051.56
  5. Step 5: Solve for x
    x = 260,270,361,200,051.56/13,590,954.87
  6. Step 6: Final answer
    x = 19,150,263.07

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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.