Home / 13,590,718.66-18,755,194.48-7,479,147.16

Finding the Fourth Proportional to 13,590,718.66, 18,755,194.48 and 7,479,147.16

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Solution

The fourth proportional to 13,590,718.66, 18,755,194.48 and 7,479,147.16 is: 10,321,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,718.66 : 18,755,194.48 = 7,479,147.16 : x
  2. Step 2: Convert to fraction form
    13,590,718.66/18,755,194.48 = 7,479,147.16/x
  3. Step 3: Cross multiply
    13,590,718.66x = 18,755,194.48 × 7,479,147.16
  4. Step 4: Simplify right side
    13,590,718.66x = 140,272,859,530,339.69
  5. Step 5: Solve for x
    x = 140,272,859,530,339.69/13,590,718.66
  6. Step 6: Final answer
    x = 10,321,224.58

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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.