Home / 31,690,578.11-47,553,529.61-17,117,203.50

Finding the Fourth Proportional to 31,690,578.11, 47,553,529.61 and 17,117,203.50

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Solution

The fourth proportional to 31,690,578.11, 47,553,529.61 and 17,117,203.50 is: 25,685,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,690,578.11 : 47,553,529.61 = 17,117,203.50 : x
  2. Step 2: Convert to fraction form
    31,690,578.11/47,553,529.61 = 17,117,203.50/x
  3. Step 3: Cross multiply
    31,690,578.11x = 47,553,529.61 × 17,117,203.50
  4. Step 4: Simplify right side
    31,690,578.11x = 813,983,443,520,438.62
  5. Step 5: Solve for x
    x = 813,983,443,520,438.62/31,690,578.11
  6. Step 6: Final answer
    x = 25,685,345.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.