Home / 13,590,741.01-18,755,225.13-7,479,169.51

Finding the Fourth Proportional to 13,590,741.01, 18,755,225.13 and 7,479,169.51

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Solution

The fourth proportional to 13,590,741.01, 18,755,225.13 and 7,479,169.51 is: 10,321,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,741.01 : 18,755,225.13 = 7,479,169.51 : x
  2. Step 2: Convert to fraction form
    13,590,741.01/18,755,225.13 = 7,479,169.51/x
  3. Step 3: Cross multiply
    13,590,741.01x = 18,755,225.13 × 7,479,169.51
  4. Step 4: Simplify right side
    13,590,741.01x = 140,273,507,945,481.78
  5. Step 5: Solve for x
    x = 140,273,507,945,481.78/13,590,741.01
  6. Step 6: Final answer
    x = 10,321,255.32

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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.