Home / 28,214,185.03-42,320,899.21-7,743,880.41

Finding the Fourth Proportional to 28,214,185.03, 42,320,899.21 and 7,743,880.41

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Solution

The fourth proportional to 28,214,185.03, 42,320,899.21 and 7,743,880.41 is: 11,615,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214,185.03 : 42,320,899.21 = 7,743,880.41 : x
  2. Step 2: Convert to fraction form
    28,214,185.03/42,320,899.21 = 7,743,880.41/x
  3. Step 3: Cross multiply
    28,214,185.03x = 42,320,899.21 × 7,743,880.41
  4. Step 4: Simplify right side
    28,214,185.03x = 327,727,982,422,191.06
  5. Step 5: Solve for x
    x = 327,727,982,422,191.06/28,214,185.03
  6. Step 6: Final answer
    x = 11,615,716.78

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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.