Home / 12,458,169.41-17,189,706.05-7,158,840.49

Finding the Fourth Proportional to 12,458,169.41, 17,189,706.05 and 7,158,840.49

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Solution

The fourth proportional to 12,458,169.41, 17,189,706.05 and 7,158,840.49 is: 9,877,724.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,169.41 : 17,189,706.05 = 7,158,840.49 : x
  2. Step 2: Convert to fraction form
    12,458,169.41/17,189,706.05 = 7,158,840.49/x
  3. Step 3: Cross multiply
    12,458,169.41x = 17,189,706.05 × 7,158,840.49
  4. Step 4: Simplify right side
    12,458,169.41x = 123,058,363,560,195.25
  5. Step 5: Solve for x
    x = 123,058,363,560,195.25/12,458,169.41
  6. Step 6: Final answer
    x = 9,877,724.37

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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.