Home / 13,576,332.13-20,360,512.18-3,989,431.33

Finding the Fourth Proportional to 13,576,332.13, 20,360,512.18 and 3,989,431.33

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Solution

The fourth proportional to 13,576,332.13, 20,360,512.18 and 3,989,431.33 is: 5,982,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576,332.13 : 20,360,512.18 = 3,989,431.33 : x
  2. Step 2: Convert to fraction form
    13,576,332.13/20,360,512.18 = 3,989,431.33/x
  3. Step 3: Cross multiply
    13,576,332.13x = 20,360,512.18 × 3,989,431.33
  4. Step 4: Simplify right side
    13,576,332.13x = 81,226,865,185,738.59
  5. Step 5: Solve for x
    x = 81,226,865,185,738.59/13,576,332.13
  6. Step 6: Final answer
    x = 5,982,975.70

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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.