Home / 17,991,605.45-26,979,294.41-8,890,154.66

Finding the Fourth Proportional to 17,991,605.45, 26,979,294.41 and 8,890,154.66

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Solution

The fourth proportional to 17,991,605.45, 26,979,294.41 and 8,890,154.66 is: 13,331,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991,605.45 : 26,979,294.41 = 8,890,154.66 : x
  2. Step 2: Convert to fraction form
    17,991,605.45/26,979,294.41 = 8,890,154.66/x
  3. Step 3: Cross multiply
    17,991,605.45x = 26,979,294.41 × 8,890,154.66
  4. Step 4: Simplify right side
    17,991,605.45x = 239,850,099,978,909
  5. Step 5: Solve for x
    x = 239,850,099,978,909/17,991,605.45
  6. Step 6: Final answer
    x = 13,331,222.75

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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.