Home / 18,894,647.21-28,346,468.07-6,115,151.93

Finding the Fourth Proportional to 18,894,647.21, 28,346,468.07 and 6,115,151.93

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Solution

The fourth proportional to 18,894,647.21, 28,346,468.07 and 6,115,151.93 is: 9,174,183.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894,647.21 : 28,346,468.07 = 6,115,151.93 : x
  2. Step 2: Convert to fraction form
    18,894,647.21/28,346,468.07 = 6,115,151.93/x
  3. Step 3: Cross multiply
    18,894,647.21x = 28,346,468.07 × 6,115,151.93
  4. Step 4: Simplify right side
    18,894,647.21x = 173,342,958,926,943.88
  5. Step 5: Solve for x
    x = 173,342,958,926,943.88/18,894,647.21
  6. Step 6: Final answer
    x = 9,174,183.41

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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.