Home / 31,115,676.12-42,938,508.03-17,176,731.99

Finding the Fourth Proportional to 31,115,676.12, 42,938,508.03 and 17,176,731.99

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Solution

The fourth proportional to 31,115,676.12, 42,938,508.03 and 17,176,731.99 is: 23,703,269.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,115,676.12 : 42,938,508.03 = 17,176,731.99 : x
  2. Step 2: Convert to fraction form
    31,115,676.12/42,938,508.03 = 17,176,731.99/x
  3. Step 3: Cross multiply
    31,115,676.12x = 42,938,508.03 × 17,176,731.99
  4. Step 4: Simplify right side
    31,115,676.12x = 737,543,244,481,772.88
  5. Step 5: Solve for x
    x = 737,543,244,481,772.88/31,115,676.12
  6. Step 6: Final answer
    x = 23,703,269.11

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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.