Home / 12,271,589.81-16,934,845.22-6,764,843.84

Finding the Fourth Proportional to 12,271,589.81, 16,934,845.22 and 6,764,843.84

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Solution

The fourth proportional to 12,271,589.81, 16,934,845.22 and 6,764,843.84 is: 9,335,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271,589.81 : 16,934,845.22 = 6,764,843.84 : x
  2. Step 2: Convert to fraction form
    12,271,589.81/16,934,845.22 = 6,764,843.84/x
  3. Step 3: Cross multiply
    12,271,589.81x = 16,934,845.22 × 6,764,843.84
  4. Step 4: Simplify right side
    12,271,589.81x = 114,561,583,249,372
  5. Step 5: Solve for x
    x = 114,561,583,249,372/12,271,589.81
  6. Step 6: Final answer
    x = 9,335,512.76

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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.