Home / 31,665,729.84-43,698,791.88-17,179,041.84

Finding the Fourth Proportional to 31,665,729.84, 43,698,791.88 and 17,179,041.84

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Solution

The fourth proportional to 31,665,729.84, 43,698,791.88 and 17,179,041.84 is: 23,707,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,665,729.84 : 43,698,791.88 = 17,179,041.84 : x
  2. Step 2: Convert to fraction form
    31,665,729.84/43,698,791.88 = 17,179,041.84/x
  3. Step 3: Cross multiply
    31,665,729.84x = 43,698,791.88 × 17,179,041.84
  4. Step 4: Simplify right side
    31,665,729.84x = 750,703,374,063,972.25
  5. Step 5: Solve for x
    x = 750,703,374,063,972.25/31,665,729.84
  6. Step 6: Final answer
    x = 23,707,123.69

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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.