Home / 20,757,741.48-31,139,583.70-6,382,016.19

Finding the Fourth Proportional to 20,757,741.48, 31,139,583.70 and 6,382,016.19

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Solution

The fourth proportional to 20,757,741.48, 31,139,583.70 and 6,382,016.19 is: 9,573,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757,741.48 : 31,139,583.70 = 6,382,016.19 : x
  2. Step 2: Convert to fraction form
    20,757,741.48/31,139,583.70 = 6,382,016.19/x
  3. Step 3: Cross multiply
    20,757,741.48x = 31,139,583.70 × 6,382,016.19
  4. Step 4: Simplify right side
    20,757,741.48x = 198,733,327,323,260.12
  5. Step 5: Solve for x
    x = 198,733,327,323,260.12/20,757,741.48
  6. Step 6: Final answer
    x = 9,573,937.87

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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.