Home / 20,804,601.90-31,206,902.85-7,341,429.90

Finding the Fourth Proportional to 20,804,601.90, 31,206,902.85 and 7,341,429.90

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Solution

The fourth proportional to 20,804,601.90, 31,206,902.85 and 7,341,429.90 is: 11,012,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,601.90 : 31,206,902.85 = 7,341,429.90 : x
  2. Step 2: Convert to fraction form
    20,804,601.90/31,206,902.85 = 7,341,429.90/x
  3. Step 3: Cross multiply
    20,804,601.90x = 31,206,902.85 × 7,341,429.90
  4. Step 4: Simplify right side
    20,804,601.90x = 229,103,289,669,385.25
  5. Step 5: Solve for x
    x = 229,103,289,669,385.25/20,804,601.90
  6. Step 6: Final answer
    x = 11,012,144.85

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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.