Home / 15,862,950.75-21,891,003.27-8,619,606.75

Finding the Fourth Proportional to 15,862,950.75, 21,891,003.27 and 8,619,606.75

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Solution

The fourth proportional to 15,862,950.75, 21,891,003.27 and 8,619,606.75 is: 11,895,128.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862,950.75 : 21,891,003.27 = 8,619,606.75 : x
  2. Step 2: Convert to fraction form
    15,862,950.75/21,891,003.27 = 8,619,606.75/x
  3. Step 3: Cross multiply
    15,862,950.75x = 21,891,003.27 × 8,619,606.75
  4. Step 4: Simplify right side
    15,862,950.75x = 188,691,839,550,364.06
  5. Step 5: Solve for x
    x = 188,691,839,550,364.06/15,862,950.75
  6. Step 6: Final answer
    x = 11,895,128.63

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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.