Home / 12,052,505.16-18,076,760.28-3,965,581.80

Finding the Fourth Proportional to 12,052,505.16, 18,076,760.28 and 3,965,581.80

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Solution

The fourth proportional to 12,052,505.16, 18,076,760.28 and 3,965,581.80 is: 5,947,715.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,052,505.16 : 18,076,760.28 = 3,965,581.80 : x
  2. Step 2: Convert to fraction form
    12,052,505.16/18,076,760.28 = 3,965,581.80/x
  3. Step 3: Cross multiply
    12,052,505.16x = 18,076,760.28 × 3,965,581.80
  4. Step 4: Simplify right side
    12,052,505.16x = 71,684,871,569,330.91
  5. Step 5: Solve for x
    x = 71,684,871,569,330.91/12,052,505.16
  6. Step 6: Final answer
    x = 5,947,715.48

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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.