Home / 18,948,668.37-28,422,738.49-4,571,615.49

Finding the Fourth Proportional to 18,948,668.37, 28,422,738.49 and 4,571,615.49

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Solution

The fourth proportional to 18,948,668.37, 28,422,738.49 and 4,571,615.49 is: 6,857,359.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948,668.37 : 28,422,738.49 = 4,571,615.49 : x
  2. Step 2: Convert to fraction form
    18,948,668.37/28,422,738.49 = 4,571,615.49/x
  3. Step 3: Cross multiply
    18,948,668.37x = 28,422,738.49 × 4,571,615.49
  4. Step 4: Simplify right side
    18,948,668.37x = 129,937,831,549,103.20
  5. Step 5: Solve for x
    x = 129,937,831,549,103.20/18,948,668.37
  6. Step 6: Final answer
    x = 6,857,359.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.