Home / 7,840,212.38-11,743,172.49-5,558,821.46

Finding the Fourth Proportional to 7,840,212.38, 11,743,172.49 and 5,558,821.46

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Solution

The fourth proportional to 7,840,212.38, 11,743,172.49 and 5,558,821.46 is: 8,326,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840,212.38 : 11,743,172.49 = 5,558,821.46 : x
  2. Step 2: Convert to fraction form
    7,840,212.38/11,743,172.49 = 5,558,821.46/x
  3. Step 3: Cross multiply
    7,840,212.38x = 11,743,172.49 × 5,558,821.46
  4. Step 4: Simplify right side
    7,840,212.38x = 65,278,199,245,893.63
  5. Step 5: Solve for x
    x = 65,278,199,245,893.63/7,840,212.38
  6. Step 6: Final answer
    x = 8,326,075.38

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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.