Home / 18,640,012.38-27,947,019.80-8,259,585.69

Finding the Fourth Proportional to 18,640,012.38, 27,947,019.80 and 8,259,585.69

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Solution

The fourth proportional to 18,640,012.38, 27,947,019.80 and 8,259,585.69 is: 12,383,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,640,012.38 : 27,947,019.80 = 8,259,585.69 : x
  2. Step 2: Convert to fraction form
    18,640,012.38/27,947,019.80 = 8,259,585.69/x
  3. Step 3: Cross multiply
    18,640,012.38x = 27,947,019.80 × 8,259,585.69
  4. Step 4: Simplify right side
    18,640,012.38x = 230,830,804,769,008.06
  5. Step 5: Solve for x
    x = 230,830,804,769,008.06/18,640,012.38
  6. Step 6: Final answer
    x = 12,383,618.64

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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.