Home / 35,673,599.43-49,228,729.82-20,990,216.70

Finding the Fourth Proportional to 35,673,599.43, 49,228,729.82 and 20,990,216.70

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Solution

The fourth proportional to 35,673,599.43, 49,228,729.82 and 20,990,216.70 is: 28,966,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,673,599.43 : 49,228,729.82 = 20,990,216.70 : x
  2. Step 2: Convert to fraction form
    35,673,599.43/49,228,729.82 = 20,990,216.70/x
  3. Step 3: Cross multiply
    35,673,599.43x = 49,228,729.82 × 20,990,216.70
  4. Step 4: Simplify right side
    35,673,599.43x = 1,033,321,706,787,552
  5. Step 5: Solve for x
    x = 1,033,321,706,787,552/35,673,599.43
  6. Step 6: Final answer
    x = 28,966,006.33

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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.