Home / 20,680,588.11-31,024,250.15-6,108,986.19

Finding the Fourth Proportional to 20,680,588.11, 31,024,250.15 and 6,108,986.19

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Solution

The fourth proportional to 20,680,588.11, 31,024,250.15 and 6,108,986.19 is: 9,164,474.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,680,588.11 : 31,024,250.15 = 6,108,986.19 : x
  2. Step 2: Convert to fraction form
    20,680,588.11/31,024,250.15 = 6,108,986.19/x
  3. Step 3: Cross multiply
    20,680,588.11x = 31,024,250.15 × 6,108,986.19
  4. Step 4: Simplify right side
    20,680,588.11x = 189,526,715,690,910.50
  5. Step 5: Solve for x
    x = 189,526,715,690,910.50/20,680,588.11
  6. Step 6: Final answer
    x = 9,164,474.18

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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.