Home / 18,922,935.21-28,385,304.99-9,195,959.52

Finding the Fourth Proportional to 18,922,935.21, 28,385,304.99 and 9,195,959.52

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Solution

The fourth proportional to 18,922,935.21, 28,385,304.99 and 9,195,959.52 is: 13,794,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922,935.21 : 28,385,304.99 = 9,195,959.52 : x
  2. Step 2: Convert to fraction form
    18,922,935.21/28,385,304.99 = 9,195,959.52/x
  3. Step 3: Cross multiply
    18,922,935.21x = 28,385,304.99 × 9,195,959.52
  4. Step 4: Simplify right side
    18,922,935.21x = 261,030,115,561,691.53
  5. Step 5: Solve for x
    x = 261,030,115,561,691.53/18,922,935.21
  6. Step 6: Final answer
    x = 13,794,377.70

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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.