Home / 8,178,743.80-12,268,113.78-2,195,111.80

Finding the Fourth Proportional to 8,178,743.80, 12,268,113.78 and 2,195,111.80

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Solution

The fourth proportional to 8,178,743.80, 12,268,113.78 and 2,195,111.80 is: 3,292,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,743.80 : 12,268,113.78 = 2,195,111.80 : x
  2. Step 2: Convert to fraction form
    8,178,743.80/12,268,113.78 = 2,195,111.80/x
  3. Step 3: Cross multiply
    8,178,743.80x = 12,268,113.78 × 2,195,111.80
  4. Step 4: Simplify right side
    8,178,743.80x = 26,929,881,322,220.60
  5. Step 5: Solve for x
    x = 26,929,881,322,220.60/8,178,743.80
  6. Step 6: Final answer
    x = 3,292,667.18

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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.