Home / 7,891,895.80-11,837,843.70-3,640,367.80

Finding the Fourth Proportional to 7,891,895.80, 11,837,843.70 and 3,640,367.80

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Solution

The fourth proportional to 7,891,895.80, 11,837,843.70 and 3,640,367.80 is: 5,460,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891,895.80 : 11,837,843.70 = 3,640,367.80 : x
  2. Step 2: Convert to fraction form
    7,891,895.80/11,837,843.70 = 3,640,367.80/x
  3. Step 3: Cross multiply
    7,891,895.80x = 11,837,843.70 × 3,640,367.80
  4. Step 4: Simplify right side
    7,891,895.80x = 43,094,105,026,912.85
  5. Step 5: Solve for x
    x = 43,094,105,026,912.85/7,891,895.80
  6. Step 6: Final answer
    x = 5,460,551.70

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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.