Home / 22,167,399.70-30,612,140.76-20,959,716.52

Finding the Fourth Proportional to 22,167,399.70, 30,612,140.76 and 20,959,716.52

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Solution

The fourth proportional to 22,167,399.70, 30,612,140.76 and 20,959,716.52 is: 28,944,386.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167,399.70 : 30,612,140.76 = 20,959,716.52 : x
  2. Step 2: Convert to fraction form
    22,167,399.70/30,612,140.76 = 20,959,716.52/x
  3. Step 3: Cross multiply
    22,167,399.70x = 30,612,140.76 × 20,959,716.52
  4. Step 4: Simplify right side
    22,167,399.70x = 641,621,792,399,937.38
  5. Step 5: Solve for x
    x = 641,621,792,399,937.38/22,167,399.70
  6. Step 6: Final answer
    x = 28,944,386.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.