Home / 12,900,936.48-17,803,287.19-7,099,718.22

Finding the Fourth Proportional to 12,900,936.48, 17,803,287.19 and 7,099,718.22

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Solution

The fourth proportional to 12,900,936.48, 17,803,287.19 and 7,099,718.22 is: 9,797,608.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900,936.48 : 17,803,287.19 = 7,099,718.22 : x
  2. Step 2: Convert to fraction form
    12,900,936.48/17,803,287.19 = 7,099,718.22/x
  3. Step 3: Cross multiply
    12,900,936.48x = 17,803,287.19 × 7,099,718.22
  4. Step 4: Simplify right side
    12,900,936.48x = 126,398,322,438,735.61
  5. Step 5: Solve for x
    x = 126,398,322,438,735.61/12,900,936.48
  6. Step 6: Final answer
    x = 9,797,608.31

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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.