Home / 18,485,255.60-27,728,515.80-6,354,615.41

Finding the Fourth Proportional to 18,485,255.60, 27,728,515.80 and 6,354,615.41

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Solution

The fourth proportional to 18,485,255.60, 27,728,515.80 and 6,354,615.41 is: 9,532,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485,255.60 : 27,728,515.80 = 6,354,615.41 : x
  2. Step 2: Convert to fraction form
    18,485,255.60/27,728,515.80 = 6,354,615.41/x
  3. Step 3: Cross multiply
    18,485,255.60x = 27,728,515.80 × 6,354,615.41
  4. Step 4: Simplify right side
    18,485,255.60x = 176,204,053,799,108.50
  5. Step 5: Solve for x
    x = 176,204,053,799,108.50/18,485,255.60
  6. Step 6: Final answer
    x = 9,532,140.51

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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.