Home / 13,704,418.76-20,548,660.16-5,185,412.24

Finding the Fourth Proportional to 13,704,418.76, 20,548,660.16 and 5,185,412.24

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Solution

The fourth proportional to 13,704,418.76, 20,548,660.16 and 5,185,412.24 is: 7,775,103.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704,418.76 : 20,548,660.16 = 5,185,412.24 : x
  2. Step 2: Convert to fraction form
    13,704,418.76/20,548,660.16 = 5,185,412.24/x
  3. Step 3: Cross multiply
    13,704,418.76x = 20,548,660.16 × 5,185,412.24
  4. Step 4: Simplify right side
    13,704,418.76x = 106,553,273,819,484.61
  5. Step 5: Solve for x
    x = 106,553,273,819,484.61/13,704,418.76
  6. Step 6: Final answer
    x = 7,775,103.47

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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.