Home / 12,826,046.80-19,222,740.60-5,244,446.80

Finding the Fourth Proportional to 12,826,046.80, 19,222,740.60 and 5,244,446.80

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Solution

The fourth proportional to 12,826,046.80, 19,222,740.60 and 5,244,446.80 is: 7,859,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,046.80 : 19,222,740.60 = 5,244,446.80 : x
  2. Step 2: Convert to fraction form
    12,826,046.80/19,222,740.60 = 5,244,446.80/x
  3. Step 3: Cross multiply
    12,826,046.80x = 19,222,740.60 × 5,244,446.80
  4. Step 4: Simplify right side
    12,826,046.80x = 100,812,640,426,900.08
  5. Step 5: Solve for x
    x = 100,812,640,426,900.08/12,826,046.80
  6. Step 6: Final answer
    x = 7,859,993.18

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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.