Home / 12,269,165.44-16,930,452.83-7,112,859.14

Finding the Fourth Proportional to 12,269,165.44, 16,930,452.83 and 7,112,859.14

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Solution

The fourth proportional to 12,269,165.44, 16,930,452.83 and 7,112,859.14 is: 9,815,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,165.44 : 16,930,452.83 = 7,112,859.14 : x
  2. Step 2: Convert to fraction form
    12,269,165.44/16,930,452.83 = 7,112,859.14/x
  3. Step 3: Cross multiply
    12,269,165.44x = 16,930,452.83 × 7,112,859.14
  4. Step 4: Simplify right side
    12,269,165.44x = 120,423,926,089,334.25
  5. Step 5: Solve for x
    x = 120,423,926,089,334.25/12,269,165.44
  6. Step 6: Final answer
    x = 9,815,168.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.