Home / 28,723,244.20-43,084,866.30-19,653,317.80

Finding the Fourth Proportional to 28,723,244.20, 43,084,866.30 and 19,653,317.80

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Solution

The fourth proportional to 28,723,244.20, 43,084,866.30 and 19,653,317.80 is: 29,479,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723,244.20 : 43,084,866.30 = 19,653,317.80 : x
  2. Step 2: Convert to fraction form
    28,723,244.20/43,084,866.30 = 19,653,317.80/x
  3. Step 3: Cross multiply
    28,723,244.20x = 43,084,866.30 × 19,653,317.80
  4. Step 4: Simplify right side
    28,723,244.20x = 846,760,569,764,410.12
  5. Step 5: Solve for x
    x = 846,760,569,764,410.12/28,723,244.20
  6. Step 6: Final answer
    x = 29,479,976.70

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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.