Home / 20,676,520.07-31,018,149.09-6,104,912.54

Finding the Fourth Proportional to 20,676,520.07, 31,018,149.09 and 6,104,912.54

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Solution

The fourth proportional to 20,676,520.07, 31,018,149.09 and 6,104,912.54 is: 9,158,363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676,520.07 : 31,018,149.09 = 6,104,912.54 : x
  2. Step 2: Convert to fraction form
    20,676,520.07/31,018,149.09 = 6,104,912.54/x
  3. Step 3: Cross multiply
    20,676,520.07x = 31,018,149.09 × 6,104,912.54
  4. Step 4: Simplify right side
    20,676,520.07x = 189,363,087,347,130.59
  5. Step 5: Solve for x
    x = 189,363,087,347,130.59/20,676,520.07
  6. Step 6: Final answer
    x = 9,158,363.53

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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.