Home / 28,222,732.53-38,964,067.05-17,777,702.55

Finding the Fourth Proportional to 28,222,732.53, 38,964,067.05 and 17,777,702.55

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Solution

The fourth proportional to 28,222,732.53, 38,964,067.05 and 17,777,702.55 is: 24,543,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,222,732.53 : 38,964,067.05 = 17,777,702.55 : x
  2. Step 2: Convert to fraction form
    28,222,732.53/38,964,067.05 = 17,777,702.55/x
  3. Step 3: Cross multiply
    28,222,732.53x = 38,964,067.05 × 17,777,702.55
  4. Step 4: Simplify right side
    28,222,732.53x = 692,691,594,153,156
  5. Step 5: Solve for x
    x = 692,691,594,153,156/28,222,732.53
  6. Step 6: Final answer
    x = 24,543,746.55

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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.