Home / 18,529,111.60-27,804,586.20-7,745,581.60

Finding the Fourth Proportional to 18,529,111.60, 27,804,586.20 and 7,745,581.60

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Solution

The fourth proportional to 18,529,111.60, 27,804,586.20 and 7,745,581.60 is: 11,622,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529,111.60 : 27,804,586.20 = 7,745,581.60 : x
  2. Step 2: Convert to fraction form
    18,529,111.60/27,804,586.20 = 7,745,581.60/x
  3. Step 3: Cross multiply
    18,529,111.60x = 27,804,586.20 × 7,745,581.60
  4. Step 4: Simplify right side
    18,529,111.60x = 215,362,691,266,333.91
  5. Step 5: Solve for x
    x = 215,362,691,266,333.91/18,529,111.60
  6. Step 6: Final answer
    x = 11,622,936.70

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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.