Home / 10,917,076.80-16,375,615.20-9,237,460.80

Finding the Fourth Proportional to 10,917,076.80, 16,375,615.20 and 9,237,460.80

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Solution

The fourth proportional to 10,917,076.80, 16,375,615.20 and 9,237,460.80 is: 13,856,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917,076.80 : 16,375,615.20 = 9,237,460.80 : x
  2. Step 2: Convert to fraction form
    10,917,076.80/16,375,615.20 = 9,237,460.80/x
  3. Step 3: Cross multiply
    10,917,076.80x = 16,375,615.20 × 9,237,460.80
  4. Step 4: Simplify right side
    10,917,076.80x = 151,269,103,485,884.16
  5. Step 5: Solve for x
    x = 151,269,103,485,884.16/10,917,076.80
  6. Step 6: Final answer
    x = 13,856,191.20

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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.