Home / 18,439,259.58-27,658,954.98-5,659,765.38

Finding the Fourth Proportional to 18,439,259.58, 27,658,954.98 and 5,659,765.38

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Solution

The fourth proportional to 18,439,259.58, 27,658,954.98 and 5,659,765.38 is: 8,489,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439,259.58 : 27,658,954.98 = 5,659,765.38 : x
  2. Step 2: Convert to fraction form
    18,439,259.58/27,658,954.98 = 5,659,765.38/x
  3. Step 3: Cross multiply
    18,439,259.58x = 27,658,954.98 × 5,659,765.38
  4. Step 4: Simplify right side
    18,439,259.58x = 156,543,195,842,782.59
  5. Step 5: Solve for x
    x = 156,543,195,842,782.59/18,439,259.58
  6. Step 6: Final answer
    x = 8,489,668.21

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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.