Home / 18,833,064.62-28,250,967.14-7,892,272.27

Finding the Fourth Proportional to 18,833,064.62, 28,250,967.14 and 7,892,272.27

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Solution

The fourth proportional to 18,833,064.62, 28,250,967.14 and 7,892,272.27 is: 11,838,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833,064.62 : 28,250,967.14 = 7,892,272.27 : x
  2. Step 2: Convert to fraction form
    18,833,064.62/28,250,967.14 = 7,892,272.27/x
  3. Step 3: Cross multiply
    18,833,064.62x = 28,250,967.14 × 7,892,272.27
  4. Step 4: Simplify right side
    18,833,064.62x = 222,964,324,378,987
  5. Step 5: Solve for x
    x = 222,964,324,378,987/18,833,064.62
  6. Step 6: Final answer
    x = 11,838,982.60

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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.