Home / 13,305,936.80-19,958,905.20-7,259,319.20

Finding the Fourth Proportional to 13,305,936.80, 19,958,905.20 and 7,259,319.20

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Solution

The fourth proportional to 13,305,936.80, 19,958,905.20 and 7,259,319.20 is: 10,888,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,936.80 : 19,958,905.20 = 7,259,319.20 : x
  2. Step 2: Convert to fraction form
    13,305,936.80/19,958,905.20 = 7,259,319.20/x
  3. Step 3: Cross multiply
    13,305,936.80x = 19,958,905.20 × 7,259,319.20
  4. Step 4: Simplify right side
    13,305,936.80x = 144,888,063,729,339.84
  5. Step 5: Solve for x
    x = 144,888,063,729,339.84/13,305,936.80
  6. Step 6: Final answer
    x = 10,888,978.80

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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.