Home / 13,709,997.90-18,908,765.19-12,052,601.26

Finding the Fourth Proportional to 13,709,997.90, 18,908,765.19 and 12,052,601.26

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Solution

The fourth proportional to 13,709,997.90, 18,908,765.19 and 12,052,601.26 is: 16,622,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,997.90 : 18,908,765.19 = 12,052,601.26 : x
  2. Step 2: Convert to fraction form
    13,709,997.90/18,908,765.19 = 12,052,601.26/x
  3. Step 3: Cross multiply
    13,709,997.90x = 18,908,765.19 × 12,052,601.26
  4. Step 4: Simplify right side
    13,709,997.90x = 227,899,807,106,766.25
  5. Step 5: Solve for x
    x = 227,899,807,106,766.25/13,709,997.90
  6. Step 6: Final answer
    x = 16,622,891.47

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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.