Home / 18,189,503.48-27,260,561.10-7,394,194.46

Finding the Fourth Proportional to 18,189,503.48, 27,260,561.10 and 7,394,194.46

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Solution

The fourth proportional to 18,189,503.48, 27,260,561.10 and 7,394,194.46 is: 11,081,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189,503.48 : 27,260,561.10 = 7,394,194.46 : x
  2. Step 2: Convert to fraction form
    18,189,503.48/27,260,561.10 = 7,394,194.46/x
  3. Step 3: Cross multiply
    18,189,503.48x = 27,260,561.10 × 7,394,194.46
  4. Step 4: Simplify right side
    18,189,503.48x = 201,569,889,862,111.53
  5. Step 5: Solve for x
    x = 201,569,889,862,111.53/18,189,503.48
  6. Step 6: Final answer
    x = 11,081,659.82

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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.