Home / 12,769,902.95-17,622,840.38-6,969,057.66

Finding the Fourth Proportional to 12,769,902.95, 17,622,840.38 and 6,969,057.66

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Solution

The fourth proportional to 12,769,902.95, 17,622,840.38 and 6,969,057.66 is: 9,617,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,902.95 : 17,622,840.38 = 6,969,057.66 : x
  2. Step 2: Convert to fraction form
    12,769,902.95/17,622,840.38 = 6,969,057.66/x
  3. Step 3: Cross multiply
    12,769,902.95x = 17,622,840.38 × 6,969,057.66
  4. Step 4: Simplify right side
    12,769,902.95x = 122,814,590,706,351.03
  5. Step 5: Solve for x
    x = 122,814,590,706,351.03/12,769,902.95
  6. Step 6: Final answer
    x = 9,617,503.85

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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.