Home / 20,680,588.61-31,024,250.90-6,108,986.69

Finding the Fourth Proportional to 20,680,588.61, 31,024,250.90 and 6,108,986.69

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Solution

The fourth proportional to 20,680,588.61, 31,024,250.90 and 6,108,986.69 is: 9,164,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,680,588.61 : 31,024,250.90 = 6,108,986.69 : x
  2. Step 2: Convert to fraction form
    20,680,588.61/31,024,250.90 = 6,108,986.69/x
  3. Step 3: Cross multiply
    20,680,588.61x = 31,024,250.90 × 6,108,986.69
  4. Step 4: Simplify right side
    20,680,588.61x = 189,526,735,784,775.59
  5. Step 5: Solve for x
    x = 189,526,735,784,775.59/20,680,588.61
  6. Step 6: Final answer
    x = 9,164,474.93

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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.