Home / 12,251,997.76-16,871,292.48-11,980,119.64

Finding the Fourth Proportional to 12,251,997.76, 16,871,292.48 and 11,980,119.64

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Solution

The fourth proportional to 12,251,997.76, 16,871,292.48 and 11,980,119.64 is: 16,496,909.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,997.76 : 16,871,292.48 = 11,980,119.64 : x
  2. Step 2: Convert to fraction form
    12,251,997.76/16,871,292.48 = 11,980,119.64/x
  3. Step 3: Cross multiply
    12,251,997.76x = 16,871,292.48 × 11,980,119.64
  4. Step 4: Simplify right side
    12,251,997.76x = 202,120,102,391,832.31
  5. Step 5: Solve for x
    x = 202,120,102,391,832.31/12,251,997.76
  6. Step 6: Final answer
    x = 16,496,909.84

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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.