Home / 20,554,675.21-30,833,431.49-5,981,715.23

Finding the Fourth Proportional to 20,554,675.21, 30,833,431.49 and 5,981,715.23

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Solution

The fourth proportional to 20,554,675.21, 30,833,431.49 and 5,981,715.23 is: 8,972,985.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554,675.21 : 30,833,431.49 = 5,981,715.23 : x
  2. Step 2: Convert to fraction form
    20,554,675.21/30,833,431.49 = 5,981,715.23/x
  3. Step 3: Cross multiply
    20,554,675.21x = 30,833,431.49 × 5,981,715.23
  4. Step 4: Simplify right side
    20,554,675.21x = 184,436,806,621,847.25
  5. Step 5: Solve for x
    x = 184,436,806,621,847.25/20,554,675.21
  6. Step 6: Final answer
    x = 8,972,985.69

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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.