Home / 20,178,607.96-27,847,071.30-11,011,842.28

Finding the Fourth Proportional to 20,178,607.96, 27,847,071.30 and 11,011,842.28

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Solution

The fourth proportional to 20,178,607.96, 27,847,071.30 and 11,011,842.28 is: 15,196,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,607.96 : 27,847,071.30 = 11,011,842.28 : x
  2. Step 2: Convert to fraction form
    20,178,607.96/27,847,071.30 = 11,011,842.28/x
  3. Step 3: Cross multiply
    20,178,607.96x = 27,847,071.30 × 11,011,842.28
  4. Step 4: Simplify right side
    20,178,607.96x = 306,647,557,115,514.56
  5. Step 5: Solve for x
    x = 306,647,557,115,514.56/20,178,607.96
  6. Step 6: Final answer
    x = 15,196,665.58

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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.