Home / 18,529,078.60-27,804,536.70-7,745,548.60

Finding the Fourth Proportional to 18,529,078.60, 27,804,536.70 and 7,745,548.60

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Solution

The fourth proportional to 18,529,078.60, 27,804,536.70 and 7,745,548.60 is: 11,622,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529,078.60 : 27,804,536.70 = 7,745,548.60 : x
  2. Step 2: Convert to fraction form
    18,529,078.60/27,804,536.70 = 7,745,548.60/x
  3. Step 3: Cross multiply
    18,529,078.60x = 27,804,536.70 × 7,745,548.60
  4. Step 4: Simplify right side
    18,529,078.60x = 215,361,390,310,333.59
  5. Step 5: Solve for x
    x = 215,361,390,310,333.59/18,529,078.60
  6. Step 6: Final answer
    x = 11,622,887.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.