Home / 27,201,231.85-40,801,847.78-19,123,328.65

Finding the Fourth Proportional to 27,201,231.85, 40,801,847.78 and 19,123,328.65

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Solution

The fourth proportional to 27,201,231.85, 40,801,847.78 and 19,123,328.65 is: 28,684,992.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,201,231.85 : 40,801,847.78 = 19,123,328.65 : x
  2. Step 2: Convert to fraction form
    27,201,231.85/40,801,847.78 = 19,123,328.65/x
  3. Step 3: Cross multiply
    27,201,231.85x = 40,801,847.78 × 19,123,328.65
  4. Step 4: Simplify right side
    27,201,231.85x = 780,267,144,528,596.12
  5. Step 5: Solve for x
    x = 780,267,144,528,596.12/27,201,231.85
  6. Step 6: Final answer
    x = 28,684,992.98

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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.