Home / 18,568,915.56-27,852,051.36-4,921,758.60

Finding the Fourth Proportional to 18,568,915.56, 27,852,051.36 and 4,921,758.60

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Solution

The fourth proportional to 18,568,915.56, 27,852,051.36 and 4,921,758.60 is: 7,382,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568,915.56 : 27,852,051.36 = 4,921,758.60 : x
  2. Step 2: Convert to fraction form
    18,568,915.56/27,852,051.36 = 4,921,758.60/x
  3. Step 3: Cross multiply
    18,568,915.56x = 27,852,051.36 × 4,921,758.60
  4. Step 4: Simplify right side
    18,568,915.56x = 137,081,073,308,721.69
  5. Step 5: Solve for x
    x = 137,081,073,308,721.69/18,568,915.56
  6. Step 6: Final answer
    x = 7,382,287.50

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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.