Home / 13,914,139.54-19,193,534.93-8,678,057.26

Finding the Fourth Proportional to 13,914,139.54, 19,193,534.93 and 8,678,057.26

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Solution

The fourth proportional to 13,914,139.54, 19,193,534.93 and 8,678,057.26 is: 11,970,743.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914,139.54 : 19,193,534.93 = 8,678,057.26 : x
  2. Step 2: Convert to fraction form
    13,914,139.54/19,193,534.93 = 8,678,057.26/x
  3. Step 3: Cross multiply
    13,914,139.54x = 19,193,534.93 × 8,678,057.26
  4. Step 4: Simplify right side
    13,914,139.54x = 166,562,595,226,978.03
  5. Step 5: Solve for x
    x = 166,562,595,226,978.03/13,914,139.54
  6. Step 6: Final answer
    x = 11,970,743.48

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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.