Home / 18,844,331.52-25,998,554.70-12,321,778.98

Finding the Fourth Proportional to 18,844,331.52, 25,998,554.70 and 12,321,778.98

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Solution

The fourth proportional to 18,844,331.52, 25,998,554.70 and 12,321,778.98 is: 16,999,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844,331.52 : 25,998,554.70 = 12,321,778.98 : x
  2. Step 2: Convert to fraction form
    18,844,331.52/25,998,554.70 = 12,321,778.98/x
  3. Step 3: Cross multiply
    18,844,331.52x = 25,998,554.70 × 12,321,778.98
  4. Step 4: Simplify right side
    18,844,331.52x = 320,348,444,812,840.19
  5. Step 5: Solve for x
    x = 320,348,444,812,840.19/18,844,331.52
  6. Step 6: Final answer
    x = 16,999,724.53

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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.