Home / 13,475,755.72-18,596,542.89-7,675,077.21

Finding the Fourth Proportional to 13,475,755.72, 18,596,542.89 and 7,675,077.21

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Solution

The fourth proportional to 13,475,755.72, 18,596,542.89 and 7,675,077.21 is: 10,591,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,755.72 : 18,596,542.89 = 7,675,077.21 : x
  2. Step 2: Convert to fraction form
    13,475,755.72/18,596,542.89 = 7,675,077.21/x
  3. Step 3: Cross multiply
    13,475,755.72x = 18,596,542.89 × 7,675,077.21
  4. Step 4: Simplify right side
    13,475,755.72x = 142,729,902,513,739.56
  5. Step 5: Solve for x
    x = 142,729,902,513,739.56/13,475,755.72
  6. Step 6: Final answer
    x = 10,591,606.54

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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.