Home / 31,403,082.40-43,340,843.28-17,653,179.04

Finding the Fourth Proportional to 31,403,082.40, 43,340,843.28 and 17,653,179.04

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Solution

The fourth proportional to 31,403,082.40, 43,340,843.28 and 17,653,179.04 is: 24,363,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403,082.40 : 43,340,843.28 = 17,653,179.04 : x
  2. Step 2: Convert to fraction form
    31,403,082.40/43,340,843.28 = 17,653,179.04/x
  3. Step 3: Cross multiply
    31,403,082.40x = 43,340,843.28 × 17,653,179.04
  4. Step 4: Simplify right side
    31,403,082.40x = 765,103,666,166,420.88
  5. Step 5: Solve for x
    x = 765,103,666,166,420.88/31,403,082.40
  6. Step 6: Final answer
    x = 24,363,967.09

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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.