Home / 21,557,974.20-32,336,961.30-19,573,927.80

Finding the Fourth Proportional to 21,557,974.20, 32,336,961.30 and 19,573,927.80

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Solution

The fourth proportional to 21,557,974.20, 32,336,961.30 and 19,573,927.80 is: 29,360,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,974.20 : 32,336,961.30 = 19,573,927.80 : x
  2. Step 2: Convert to fraction form
    21,557,974.20/32,336,961.30 = 19,573,927.80/x
  3. Step 3: Cross multiply
    21,557,974.20x = 32,336,961.30 × 19,573,927.80
  4. Step 4: Simplify right side
    21,557,974.20x = 632,961,345,757,594.12
  5. Step 5: Solve for x
    x = 632,961,345,757,594.12/21,557,974.20
  6. Step 6: Final answer
    x = 29,360,891.70

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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.