Home / 31,073,261.88-42,883,654.32-17,137,342.70

Finding the Fourth Proportional to 31,073,261.88, 42,883,654.32 and 17,137,342.70

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Solution

The fourth proportional to 31,073,261.88, 42,883,654.32 and 17,137,342.70 is: 23,650,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,073,261.88 : 42,883,654.32 = 17,137,342.70 : x
  2. Step 2: Convert to fraction form
    31,073,261.88/42,883,654.32 = 17,137,342.70/x
  3. Step 3: Cross multiply
    31,073,261.88x = 42,883,654.32 × 17,137,342.70
  4. Step 4: Simplify right side
    31,073,261.88x = 734,911,880,310,175.38
  5. Step 5: Solve for x
    x = 734,911,880,310,175.38/31,073,261.88
  6. Step 6: Final answer
    x = 23,650,940.90

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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.