Home / 13,302,615.78-18,360,953.84-7,504,760.62

Finding the Fourth Proportional to 13,302,615.78, 18,360,953.84 and 7,504,760.62

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Solution

The fourth proportional to 13,302,615.78, 18,360,953.84 and 7,504,760.62 is: 10,358,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302,615.78 : 18,360,953.84 = 7,504,760.62 : x
  2. Step 2: Convert to fraction form
    13,302,615.78/18,360,953.84 = 7,504,760.62/x
  3. Step 3: Cross multiply
    13,302,615.78x = 18,360,953.84 × 7,504,760.62
  4. Step 4: Simplify right side
    13,302,615.78x = 137,794,563,324,069.78
  5. Step 5: Solve for x
    x = 137,794,563,324,069.78/13,302,615.78
  6. Step 6: Final answer
    x = 10,358,456.23

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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.