Home / 19,796,665.60-29,694,998.40-18,361,774.90

Finding the Fourth Proportional to 19,796,665.60, 29,694,998.40 and 18,361,774.90

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Solution

The fourth proportional to 19,796,665.60, 29,694,998.40 and 18,361,774.90 is: 27,542,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796,665.60 : 29,694,998.40 = 18,361,774.90 : x
  2. Step 2: Convert to fraction form
    19,796,665.60/29,694,998.40 = 18,361,774.90/x
  3. Step 3: Cross multiply
    19,796,665.60x = 29,694,998.40 × 18,361,774.90
  4. Step 4: Simplify right side
    19,796,665.60x = 545,252,876,276,660.06
  5. Step 5: Solve for x
    x = 545,252,876,276,660.06/19,796,665.60
  6. Step 6: Final answer
    x = 27,542,662.35

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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.