Home / 19,179,171.54-28,780,107.39-7,057,147.50

Finding the Fourth Proportional to 19,179,171.54, 28,780,107.39 and 7,057,147.50

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Solution

The fourth proportional to 19,179,171.54, 28,780,107.39 and 7,057,147.50 is: 10,589,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179,171.54 : 28,780,107.39 = 7,057,147.50 : x
  2. Step 2: Convert to fraction form
    19,179,171.54/28,780,107.39 = 7,057,147.50/x
  3. Step 3: Cross multiply
    19,179,171.54x = 28,780,107.39 × 7,057,147.50
  4. Step 4: Simplify right side
    19,179,171.54x = 203,105,462,917,070.03
  5. Step 5: Solve for x
    x = 203,105,462,917,070.03/19,179,171.54
  6. Step 6: Final answer
    x = 10,589,897.61

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1.5x scale

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.