Home / 14,296,112.96-19,728,766.14-7,769,759

Finding the Fourth Proportional to 14,296,112.96, 19,728,766.14 and 7,769,759

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Solution

The fourth proportional to 14,296,112.96, 19,728,766.14 and 7,769,759 is: 10,722,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296,112.96 : 19,728,766.14 = 7,769,759 : x
  2. Step 2: Convert to fraction form
    14,296,112.96/19,728,766.14 = 7,769,759/x
  3. Step 3: Cross multiply
    14,296,112.96x = 19,728,766.14 × 7,769,759
  4. Step 4: Simplify right side
    14,296,112.96x = 153,287,758,275,160.25
  5. Step 5: Solve for x
    x = 153,287,758,275,160.25/14,296,112.96
  6. Step 6: Final answer
    x = 10,722,338.21

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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.