Home / 31,226,344.20-43,091,429.49-17,288,320.50

Finding the Fourth Proportional to 31,226,344.20, 43,091,429.49 and 17,288,320.50

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Solution

The fourth proportional to 31,226,344.20, 43,091,429.49 and 17,288,320.50 is: 23,857,369.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,226,344.20 : 43,091,429.49 = 17,288,320.50 : x
  2. Step 2: Convert to fraction form
    31,226,344.20/43,091,429.49 = 17,288,320.50/x
  3. Step 3: Cross multiply
    31,226,344.20x = 43,091,429.49 × 17,288,320.50
  4. Step 4: Simplify right side
    31,226,344.20x = 744,978,443,826,271.62
  5. Step 5: Solve for x
    x = 744,978,443,826,271.62/31,226,344.20
  6. Step 6: Final answer
    x = 23,857,369.89

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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.