Home / 21,008,460.00-28,991,896.25-11,841,102.75

Finding the Fourth Proportional to 21,008,460.00, 28,991,896.25 and 11,841,102.75

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Solution

The fourth proportional to 21,008,460.00, 28,991,896.25 and 11,841,102.75 is: 16,340,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008,460.00 : 28,991,896.25 = 11,841,102.75 : x
  2. Step 2: Convert to fraction form
    21,008,460.00/28,991,896.25 = 11,841,102.75/x
  3. Step 3: Cross multiply
    21,008,460.00x = 28,991,896.25 × 11,841,102.75
  4. Step 4: Simplify right side
    21,008,460.00x = 343,296,022,463,103.81
  5. Step 5: Solve for x
    x = 343,296,022,463,103.81/21,008,460.00
  6. Step 6: Final answer
    x = 16,340,846.61

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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.