Home / 11,278,478.02-16,918,369.26-3,190,776.16

Finding the Fourth Proportional to 11,278,478.02, 16,918,369.26 and 3,190,776.16

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Solution

The fourth proportional to 11,278,478.02, 16,918,369.26 and 3,190,776.16 is: 4,786,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278,478.02 : 16,918,369.26 = 3,190,776.16 : x
  2. Step 2: Convert to fraction form
    11,278,478.02/16,918,369.26 = 3,190,776.16/x
  3. Step 3: Cross multiply
    11,278,478.02x = 16,918,369.26 × 3,190,776.16
  4. Step 4: Simplify right side
    11,278,478.02x = 53,982,729,300,884.85
  5. Step 5: Solve for x
    x = 53,982,729,300,884.85/11,278,478.02
  6. Step 6: Final answer
    x = 4,786,348.76

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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.