Home / 26,590,087.38-39,870,171.99-8,390,891.55

Finding the Fourth Proportional to 26,590,087.38, 39,870,171.99 and 8,390,891.55

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Solution

The fourth proportional to 26,590,087.38, 39,870,171.99 and 8,390,891.55 is: 12,581,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,590,087.38 : 39,870,171.99 = 8,390,891.55 : x
  2. Step 2: Convert to fraction form
    26,590,087.38/39,870,171.99 = 8,390,891.55/x
  3. Step 3: Cross multiply
    26,590,087.38x = 39,870,171.99 × 8,390,891.55
  4. Step 4: Simplify right side
    26,590,087.38x = 334,546,289,247,937.75
  5. Step 5: Solve for x
    x = 334,546,289,247,937.75/26,590,087.38
  6. Step 6: Final answer
    x = 12,581,616.77

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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.