Home / 13,540,396.26-18,685,746.85-7,739,302.56

Finding the Fourth Proportional to 13,540,396.26, 18,685,746.85 and 7,739,302.56

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Solution

The fourth proportional to 13,540,396.26, 18,685,746.85 and 7,739,302.56 is: 10,680,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540,396.26 : 18,685,746.85 = 7,739,302.56 : x
  2. Step 2: Convert to fraction form
    13,540,396.26/18,685,746.85 = 7,739,302.56/x
  3. Step 3: Cross multiply
    13,540,396.26x = 18,685,746.85 × 7,739,302.56
  4. Step 4: Simplify right side
    13,540,396.26x = 144,614,648,431,716.94
  5. Step 5: Solve for x
    x = 144,614,648,431,716.94/13,540,396.26
  6. Step 6: Final answer
    x = 10,680,237.54

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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.