Home / 12,619,270-17,414,592.60-7,187,267.44

Finding the Fourth Proportional to 12,619,270, 17,414,592.60 and 7,187,267.44

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Solution

The fourth proportional to 12,619,270, 17,414,592.60 and 7,187,267.44 is: 9,918,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,270 : 17,414,592.60 = 7,187,267.44 : x
  2. Step 2: Convert to fraction form
    12,619,270/17,414,592.60 = 7,187,267.44/x
  3. Step 3: Cross multiply
    12,619,270x = 17,414,592.60 × 7,187,267.44
  4. Step 4: Simplify right side
    12,619,270x = 125,163,334,374,844.97
  5. Step 5: Solve for x
    x = 125,163,334,374,844.97/12,619,270
  6. Step 6: Final answer
    x = 9,918,429.07

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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.