Home / 20,757,741.98-31,139,584.45-6,382,016.69

Finding the Fourth Proportional to 20,757,741.98, 31,139,584.45 and 6,382,016.69

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Solution

The fourth proportional to 20,757,741.98, 31,139,584.45 and 6,382,016.69 is: 9,573,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757,741.98 : 31,139,584.45 = 6,382,016.69 : x
  2. Step 2: Convert to fraction form
    20,757,741.98/31,139,584.45 = 6,382,016.69/x
  3. Step 3: Cross multiply
    20,757,741.98x = 31,139,584.45 × 6,382,016.69
  4. Step 4: Simplify right side
    20,757,741.98x = 198,733,347,507,911.50
  5. Step 5: Solve for x
    x = 198,733,347,507,911.50/20,757,741.98
  6. Step 6: Final answer
    x = 9,573,938.62

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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.