Home / 10,871,585.24-16,271,892.84-7,992,189.86

Finding the Fourth Proportional to 10,871,585.24, 16,271,892.84 and 7,992,189.86

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Solution

The fourth proportional to 10,871,585.24, 16,271,892.84 and 7,992,189.86 is: 11,962,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871,585.24 : 16,271,892.84 = 7,992,189.86 : x
  2. Step 2: Convert to fraction form
    10,871,585.24/16,271,892.84 = 7,992,189.86/x
  3. Step 3: Cross multiply
    10,871,585.24x = 16,271,892.84 × 7,992,189.86
  4. Step 4: Simplify right side
    10,871,585.24x = 130,048,056,958,854.61
  5. Step 5: Solve for x
    x = 130,048,056,958,854.61/10,871,585.24
  6. Step 6: Final answer
    x = 11,962,198.16

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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.