Home / 19,207,912.46-28,811,917.89-7,848,361.08

Finding the Fourth Proportional to 19,207,912.46, 28,811,917.89 and 7,848,361.08

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Solution

The fourth proportional to 19,207,912.46, 28,811,917.89 and 7,848,361.08 is: 11,772,561.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207,912.46 : 28,811,917.89 = 7,848,361.08 : x
  2. Step 2: Convert to fraction form
    19,207,912.46/28,811,917.89 = 7,848,361.08/x
  3. Step 3: Cross multiply
    19,207,912.46x = 28,811,917.89 × 7,848,361.08
  4. Step 4: Simplify right side
    19,207,912.46x = 226,126,335,008,031.72
  5. Step 5: Solve for x
    x = 226,126,335,008,031.72/19,207,912.46
  6. Step 6: Final answer
    x = 11,772,561.73

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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.