Home / 13,620,115.04-20,379,707.52-10,916,239.46

Finding the Fourth Proportional to 13,620,115.04, 20,379,707.52 and 10,916,239.46

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Solution

The fourth proportional to 13,620,115.04, 20,379,707.52 and 10,916,239.46 is: 16,333,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,115.04 : 20,379,707.52 = 10,916,239.46 : x
  2. Step 2: Convert to fraction form
    13,620,115.04/20,379,707.52 = 10,916,239.46/x
  3. Step 3: Cross multiply
    13,620,115.04x = 20,379,707.52 × 10,916,239.46
  4. Step 4: Simplify right side
    13,620,115.04x = 222,469,767,311,184.19
  5. Step 5: Solve for x
    x = 222,469,767,311,184.19/13,620,115.04
  6. Step 6: Final answer
    x = 16,333,912.51

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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.