Home / 31,286,886.40-43,175,996.23-17,349,223.39

Finding the Fourth Proportional to 31,286,886.40, 43,175,996.23 and 17,349,223.39

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Solution

The fourth proportional to 31,286,886.40, 43,175,996.23 and 17,349,223.39 is: 23,941,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,286,886.40 : 43,175,996.23 = 17,349,223.39 : x
  2. Step 2: Convert to fraction form
    31,286,886.40/43,175,996.23 = 17,349,223.39/x
  3. Step 3: Cross multiply
    31,286,886.40x = 43,175,996.23 × 17,349,223.39
  4. Step 4: Simplify right side
    31,286,886.40x = 749,070,003,680,067.75
  5. Step 5: Solve for x
    x = 749,070,003,680,067.75/31,286,886.40
  6. Step 6: Final answer
    x = 23,941,979.85

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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.