Home / 13,671,927.40-20,507,891.10-11,449,028.20

Finding the Fourth Proportional to 13,671,927.40, 20,507,891.10 and 11,449,028.20

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Solution

The fourth proportional to 13,671,927.40, 20,507,891.10 and 11,449,028.20 is: 17,173,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671,927.40 : 20,507,891.10 = 11,449,028.20 : x
  2. Step 2: Convert to fraction form
    13,671,927.40/20,507,891.10 = 11,449,028.20/x
  3. Step 3: Cross multiply
    13,671,927.40x = 20,507,891.10 × 11,449,028.20
  4. Step 4: Simplify right side
    13,671,927.40x = 234,795,423,526,429.03
  5. Step 5: Solve for x
    x = 234,795,423,526,429.03/13,671,927.40
  6. Step 6: Final answer
    x = 17,173,542.30

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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.