Home / 12,278,292.93-18,414,297.83-3,640,373.52

Finding the Fourth Proportional to 12,278,292.93, 18,414,297.83 and 3,640,373.52

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Solution

The fourth proportional to 12,278,292.93, 18,414,297.83 and 3,640,373.52 is: 5,459,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,278,292.93 : 18,414,297.83 = 3,640,373.52 : x
  2. Step 2: Convert to fraction form
    12,278,292.93/18,414,297.83 = 3,640,373.52/x
  3. Step 3: Cross multiply
    12,278,292.93x = 18,414,297.83 × 3,640,373.52
  4. Step 4: Simplify right side
    12,278,292.93x = 67,034,922,191,523.59
  5. Step 5: Solve for x
    x = 67,034,922,191,523.59/12,278,292.93
  6. Step 6: Final answer
    x = 5,459,628.84

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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.