Home / 31,324,109.64-43,227,731.88-17,386,358.98

Finding the Fourth Proportional to 31,324,109.64, 43,227,731.88 and 17,386,358.98

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Solution

The fourth proportional to 31,324,109.64, 43,227,731.88 and 17,386,358.98 is: 23,993,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,324,109.64 : 43,227,731.88 = 17,386,358.98 : x
  2. Step 2: Convert to fraction form
    31,324,109.64/43,227,731.88 = 17,386,358.98/x
  3. Step 3: Cross multiply
    31,324,109.64x = 43,227,731.88 × 17,386,358.98
  4. Step 4: Simplify right side
    31,324,109.64x = 751,572,864,053,799.88
  5. Step 5: Solve for x
    x = 751,572,864,053,799.88/31,324,109.64
  6. Step 6: Final answer
    x = 23,993,431.03

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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.