Home / 12,978,943.67-19,466,928.33-3,395,247.23

Finding the Fourth Proportional to 12,978,943.67, 19,466,928.33 and 3,395,247.23

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Solution

The fourth proportional to 12,978,943.67, 19,466,928.33 and 3,395,247.23 is: 5,092,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,978,943.67 : 19,466,928.33 = 3,395,247.23 : x
  2. Step 2: Convert to fraction form
    12,978,943.67/19,466,928.33 = 3,395,247.23/x
  3. Step 3: Cross multiply
    12,978,943.67x = 19,466,928.33 × 3,395,247.23
  4. Step 4: Simplify right side
    12,978,943.67x = 66,095,034,391,706.38
  5. Step 5: Solve for x
    x = 66,095,034,391,706.38/12,978,943.67
  6. Step 6: Final answer
    x = 5,092,481.80

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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.