Home / 31,707,651.84-43,756,644.24-18,655,402.56

Finding the Fourth Proportional to 31,707,651.84, 43,756,644.24 and 18,655,402.56

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Solution

The fourth proportional to 31,707,651.84, 43,756,644.24 and 18,655,402.56 is: 25,744,505.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707,651.84 : 43,756,644.24 = 18,655,402.56 : x
  2. Step 2: Convert to fraction form
    31,707,651.84/43,756,644.24 = 18,655,402.56/x
  3. Step 3: Cross multiply
    31,707,651.84x = 43,756,644.24 × 18,655,402.56
  4. Step 4: Simplify right side
    31,707,651.84x = 816,297,812,971,905.25
  5. Step 5: Solve for x
    x = 816,297,812,971,905.25/31,707,651.84
  6. Step 6: Final answer
    x = 25,744,505.37

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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.