Home / 18,417,221.70-27,621,120.32-5,460,342.55

Finding the Fourth Proportional to 18,417,221.70, 27,621,120.32 and 5,460,342.55

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Solution

The fourth proportional to 18,417,221.70, 27,621,120.32 and 5,460,342.55 is: 8,189,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417,221.70 : 27,621,120.32 = 5,460,342.55 : x
  2. Step 2: Convert to fraction form
    18,417,221.70/27,621,120.32 = 5,460,342.55/x
  3. Step 3: Cross multiply
    18,417,221.70x = 27,621,120.32 × 5,460,342.55
  4. Step 4: Simplify right side
    18,417,221.70x = 150,820,778,561,965.62
  5. Step 5: Solve for x
    x = 150,820,778,561,965.62/18,417,221.70
  6. Step 6: Final answer
    x = 8,189,116.74

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