Home / 7,693,288.20-11,530,601.10-3,428,929.80

Finding the Fourth Proportional to 7,693,288.20, 11,530,601.10 and 3,428,929.80

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Solution

The fourth proportional to 7,693,288.20, 11,530,601.10 and 3,428,929.80 is: 5,139,235.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693,288.20 : 11,530,601.10 = 3,428,929.80 : x
  2. Step 2: Convert to fraction form
    7,693,288.20/11,530,601.10 = 3,428,929.80/x
  3. Step 3: Cross multiply
    7,693,288.20x = 11,530,601.10 × 3,428,929.80
  4. Step 4: Simplify right side
    7,693,288.20x = 39,537,621,723,702.77
  5. Step 5: Solve for x
    x = 39,537,621,723,702.77/7,693,288.20
  6. Step 6: Final answer
    x = 5,139,235.75

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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.