Home / 13,540,393.25-18,685,742.69-7,739,299.55

Finding the Fourth Proportional to 13,540,393.25, 18,685,742.69 and 7,739,299.55

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Solution

The fourth proportional to 13,540,393.25, 18,685,742.69 and 7,739,299.55 is: 10,680,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540,393.25 : 18,685,742.69 = 7,739,299.55 : x
  2. Step 2: Convert to fraction form
    13,540,393.25/18,685,742.69 = 7,739,299.55/x
  3. Step 3: Cross multiply
    13,540,393.25x = 18,685,742.69 × 7,739,299.55
  4. Step 4: Simplify right side
    13,540,393.25x = 144,614,559,906,721.94
  5. Step 5: Solve for x
    x = 144,614,559,906,721.94/13,540,393.25
  6. Step 6: Final answer
    x = 10,680,233.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.