Home / 15,955,964.72-22,167,883.76-15,764,645.96

Finding the Fourth Proportional to 15,955,964.72, 22,167,883.76 and 15,764,645.96

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Solution

The fourth proportional to 15,955,964.72, 22,167,883.76 and 15,764,645.96 is: 21,902,081.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955,964.72 : 22,167,883.76 = 15,764,645.96 : x
  2. Step 2: Convert to fraction form
    15,955,964.72/22,167,883.76 = 15,764,645.96/x
  3. Step 3: Cross multiply
    15,955,964.72x = 22,167,883.76 × 15,764,645.96
  4. Step 4: Simplify right side
    15,955,964.72x = 349,468,839,158,833.62
  5. Step 5: Solve for x
    x = 349,468,839,158,833.62/15,955,964.72
  6. Step 6: Final answer
    x = 21,902,081.47

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.