Home / 13,747,540.02-18,948,816.68-13,383,650.89

Finding the Fourth Proportional to 13,747,540.02, 18,948,816.68 and 13,383,650.89

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Solution

The fourth proportional to 13,747,540.02, 18,948,816.68 and 13,383,650.89 is: 18,447,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747,540.02 : 18,948,816.68 = 13,383,650.89 : x
  2. Step 2: Convert to fraction form
    13,747,540.02/18,948,816.68 = 13,383,650.89/x
  3. Step 3: Cross multiply
    13,747,540.02x = 18,948,816.68 × 13,383,650.89
  4. Step 4: Simplify right side
    13,747,540.02x = 253,604,347,223,728.84
  5. Step 5: Solve for x
    x = 253,604,347,223,728.84/13,747,540.02
  6. Step 6: Final answer
    x = 18,447,252.88

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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.