Home / 18,674,865.60-27,928,317.60-15,651,556.80

Finding the Fourth Proportional to 18,674,865.60, 27,928,317.60 and 15,651,556.80

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Solution

The fourth proportional to 18,674,865.60, 27,928,317.60 and 15,651,556.80 is: 23,406,950.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674,865.60 : 27,928,317.60 = 15,651,556.80 : x
  2. Step 2: Convert to fraction form
    18,674,865.60/27,928,317.60 = 15,651,556.80/x
  3. Step 3: Cross multiply
    18,674,865.60x = 27,928,317.60 × 15,651,556.80
  4. Step 4: Simplify right side
    18,674,865.60x = 437,121,649,244,839.75
  5. Step 5: Solve for x
    x = 437,121,649,244,839.75/18,674,865.60
  6. Step 6: Final answer
    x = 23,406,950.21

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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.