Home / 7,887,317.70-11,830,976.55-3,906,005.70

Finding the Fourth Proportional to 7,887,317.70, 11,830,976.55 and 3,906,005.70

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Solution

The fourth proportional to 7,887,317.70, 11,830,976.55 and 3,906,005.70 is: 5,859,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,317.70 : 11,830,976.55 = 3,906,005.70 : x
  2. Step 2: Convert to fraction form
    7,887,317.70/11,830,976.55 = 3,906,005.70/x
  3. Step 3: Cross multiply
    7,887,317.70x = 11,830,976.55 × 3,906,005.70
  4. Step 4: Simplify right side
    7,887,317.70x = 46,211,861,840,866.34
  5. Step 5: Solve for x
    x = 46,211,861,840,866.34/7,887,317.70
  6. Step 6: Final answer
    x = 5,859,008.55

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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.