Home / 7,179,171.06-9,910,914.54-5,543,907.42

Finding the Fourth Proportional to 7,179,171.06, 9,910,914.54 and 5,543,907.42

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Solution

The fourth proportional to 7,179,171.06, 9,910,914.54 and 5,543,907.42 is: 7,653,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,171.06 : 9,910,914.54 = 5,543,907.42 : x
  2. Step 2: Convert to fraction form
    7,179,171.06/9,910,914.54 = 5,543,907.42/x
  3. Step 3: Cross multiply
    7,179,171.06x = 9,910,914.54 × 5,543,907.42
  4. Step 4: Simplify right side
    7,179,171.06x = 54,945,192,673,668.17
  5. Step 5: Solve for x
    x = 54,945,192,673,668.17/7,179,171.06
  6. Step 6: Final answer
    x = 7,653,417.39

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1.5x scale

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.