Home / 38,093,416.92-57,155,266.49-12,189,709.42

Finding the Fourth Proportional to 38,093,416.92, 57,155,266.49 and 12,189,709.42

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Solution

The fourth proportional to 38,093,416.92, 57,155,266.49 and 12,189,709.42 is: 18,289,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,093,416.92 : 57,155,266.49 = 12,189,709.42 : x
  2. Step 2: Convert to fraction form
    38,093,416.92/57,155,266.49 = 12,189,709.42/x
  3. Step 3: Cross multiply
    38,093,416.92x = 57,155,266.49 × 12,189,709.42
  4. Step 4: Simplify right side
    38,093,416.92x = 696,706,090,335,763.38
  5. Step 5: Solve for x
    x = 696,706,090,335,763.38/38,093,416.92
  6. Step 6: Final answer
    x = 18,289,409.21

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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.