Home / 20,273,425.20-27,977,643.36-11,105,462.88

Finding the Fourth Proportional to 20,273,425.20, 27,977,643.36 and 11,105,462.88

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Solution

The fourth proportional to 20,273,425.20, 27,977,643.36 and 11,105,462.88 is: 15,325,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273,425.20 : 27,977,643.36 = 11,105,462.88 : x
  2. Step 2: Convert to fraction form
    20,273,425.20/27,977,643.36 = 11,105,462.88/x
  3. Step 3: Cross multiply
    20,273,425.20x = 27,977,643.36 × 11,105,462.88
  4. Step 4: Simplify right side
    20,273,425.20x = 310,704,679,804,358.50
  5. Step 5: Solve for x
    x = 310,704,679,804,358.50/20,273,425.20
  6. Step 6: Final answer
    x = 15,325,712.19

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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.