Home / 17,631,293.88-26,434,867.14-8,978,645.28

Finding the Fourth Proportional to 17,631,293.88, 26,434,867.14 and 8,978,645.28

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Solution

The fourth proportional to 17,631,293.88, 26,434,867.14 and 8,978,645.28 is: 13,461,819.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631,293.88 : 26,434,867.14 = 8,978,645.28 : x
  2. Step 2: Convert to fraction form
    17,631,293.88/26,434,867.14 = 8,978,645.28/x
  3. Step 3: Cross multiply
    17,631,293.88x = 26,434,867.14 × 8,978,645.28
  4. Step 4: Simplify right side
    17,631,293.88x = 237,349,295,073,988.09
  5. Step 5: Solve for x
    x = 237,349,295,073,988.09/17,631,293.88
  6. Step 6: Final answer
    x = 13,461,819.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.