Home / 31,675,472.21-43,712,151.64-17,188,784.21

Finding the Fourth Proportional to 31,675,472.21, 43,712,151.64 and 17,188,784.21

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Solution

The fourth proportional to 31,675,472.21, 43,712,151.64 and 17,188,784.21 is: 23,720,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675,472.21 : 43,712,151.64 = 17,188,784.21 : x
  2. Step 2: Convert to fraction form
    31,675,472.21/43,712,151.64 = 17,188,784.21/x
  3. Step 3: Cross multiply
    31,675,472.21x = 43,712,151.64 × 17,188,784.21
  4. Step 4: Simplify right side
    31,675,472.21x = 751,358,741,633,224.88
  5. Step 5: Solve for x
    x = 751,358,741,633,224.88/31,675,472.21
  6. Step 6: Final answer
    x = 23,720,522.20

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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.