Home / 20,804,576.15-31,206,961.43-7,341,404.15

Finding the Fourth Proportional to 20,804,576.15, 31,206,961.43 and 7,341,404.15

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Solution

The fourth proportional to 20,804,576.15, 31,206,961.43 and 7,341,404.15 is: 11,012,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,576.15 : 31,206,961.43 = 7,341,404.15 : x
  2. Step 2: Convert to fraction form
    20,804,576.15/31,206,961.43 = 7,341,404.15/x
  3. Step 3: Cross multiply
    20,804,576.15x = 31,206,961.43 × 7,341,404.15
  4. Step 4: Simplify right side
    20,804,576.15x = 229,102,916,151,091.94
  5. Step 5: Solve for x
    x = 229,102,916,151,091.94/20,804,576.15
  6. Step 6: Final answer
    x = 11,012,140.53

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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.