Home / 19,207,922.31-28,811,932.67-7,848,370.94

Finding the Fourth Proportional to 19,207,922.31, 28,811,932.67 and 7,848,370.94

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Solution

The fourth proportional to 19,207,922.31, 28,811,932.67 and 7,848,370.94 is: 11,772,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207,922.31 : 28,811,932.67 = 7,848,370.94 : x
  2. Step 2: Convert to fraction form
    19,207,922.31/28,811,932.67 = 7,848,370.94/x
  3. Step 3: Cross multiply
    19,207,922.31x = 28,811,932.67 × 7,848,370.94
  4. Step 4: Simplify right side
    19,207,922.31x = 226,126,734,968,025.84
  5. Step 5: Solve for x
    x = 226,126,734,968,025.84/19,207,922.31
  6. Step 6: Final answer
    x = 11,772,576.51

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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.