Home / 13,568,418.74-20,343,630.77-4,931,493.74

Finding the Fourth Proportional to 13,568,418.74, 20,343,630.77 and 4,931,493.74

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Solution

The fourth proportional to 13,568,418.74, 20,343,630.77 and 4,931,493.74 is: 7,393,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568,418.74 : 20,343,630.77 = 4,931,493.74 : x
  2. Step 2: Convert to fraction form
    13,568,418.74/20,343,630.77 = 4,931,493.74/x
  3. Step 3: Cross multiply
    13,568,418.74x = 20,343,630.77 × 4,931,493.74
  4. Step 4: Simplify right side
    13,568,418.74x = 100,324,487,759,532.47
  5. Step 5: Solve for x
    x = 100,324,487,759,532.47/13,568,418.74
  6. Step 6: Final answer
    x = 7,393,970.49

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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.