Home / 28,821,772.38-39,770,117.73-17,216,872.38

Finding the Fourth Proportional to 28,821,772.38, 39,770,117.73 and 17,216,872.38

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Solution

The fourth proportional to 28,821,772.38, 39,770,117.73 and 17,216,872.38 is: 23,756,937.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821,772.38 : 39,770,117.73 = 17,216,872.38 : x
  2. Step 2: Convert to fraction form
    28,821,772.38/39,770,117.73 = 17,216,872.38/x
  3. Step 3: Cross multiply
    28,821,772.38x = 39,770,117.73 × 17,216,872.38
  4. Step 4: Simplify right side
    28,821,772.38x = 684,717,041,494,985.25
  5. Step 5: Solve for x
    x = 684,717,041,494,985.25/28,821,772.38
  6. Step 6: Final answer
    x = 23,756,937.38

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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.