Home / 39,279,468.53-58,915,567.44-18,525,147.81

Finding the Fourth Proportional to 39,279,468.53, 58,915,567.44 and 18,525,147.81

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Solution

The fourth proportional to 39,279,468.53, 58,915,567.44 and 18,525,147.81 is: 27,786,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,279,468.53 : 58,915,567.44 = 18,525,147.81 : x
  2. Step 2: Convert to fraction form
    39,279,468.53/58,915,567.44 = 18,525,147.81/x
  3. Step 3: Cross multiply
    39,279,468.53x = 58,915,567.44 × 18,525,147.81
  4. Step 4: Simplify right side
    39,279,468.53x = 1,091,419,595,136,023.12
  5. Step 5: Solve for x
    x = 1,091,419,595,136,023.12/39,279,468.53
  6. Step 6: Final answer
    x = 27,786,007.20

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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.