Home / 13,704,484-20,548,757.88-5,185,477.48

Finding the Fourth Proportional to 13,704,484, 20,548,757.88 and 5,185,477.48

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Solution

The fourth proportional to 13,704,484, 20,548,757.88 and 5,185,477.48 is: 7,775,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704,484 : 20,548,757.88 = 5,185,477.48 : x
  2. Step 2: Convert to fraction form
    13,704,484/20,548,757.88 = 5,185,477.48/x
  3. Step 3: Cross multiply
    13,704,484x = 20,548,757.88 × 5,185,477.48
  4. Step 4: Simplify right side
    13,704,484x = 106,555,121,228,712.55
  5. Step 5: Solve for x
    x = 106,555,121,228,712.55/13,704,484
  6. Step 6: Final answer
    x = 7,775,201.26

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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.