Home / 12,812,013.33-17,680,578.20-7,010,794.89

Finding the Fourth Proportional to 12,812,013.33, 17,680,578.20 and 7,010,794.89

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Solution

The fourth proportional to 12,812,013.33, 17,680,578.20 and 7,010,794.89 is: 9,674,896.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812,013.33 : 17,680,578.20 = 7,010,794.89 : x
  2. Step 2: Convert to fraction form
    12,812,013.33/17,680,578.20 = 7,010,794.89/x
  3. Step 3: Cross multiply
    12,812,013.33x = 17,680,578.20 × 7,010,794.89
  4. Step 4: Simplify right side
    12,812,013.33x = 123,954,907,296,805.39
  5. Step 5: Solve for x
    x = 123,954,907,296,805.39/12,812,013.33
  6. Step 6: Final answer
    x = 9,674,896.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.