Home / 27,026,643.45-40,542,177.69-7,857,377.04

Finding the Fourth Proportional to 27,026,643.45, 40,542,177.69 and 7,857,377.04

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Solution

The fourth proportional to 27,026,643.45, 40,542,177.69 and 7,857,377.04 is: 11,786,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,026,643.45 : 40,542,177.69 = 7,857,377.04 : x
  2. Step 2: Convert to fraction form
    27,026,643.45/40,542,177.69 = 7,857,377.04/x
  3. Step 3: Cross multiply
    27,026,643.45x = 40,542,177.69 × 7,857,377.04
  4. Step 4: Simplify right side
    27,026,643.45x = 318,555,176,133,006.25
  5. Step 5: Solve for x
    x = 318,555,176,133,006.25/27,026,643.45
  6. Step 6: Final answer
    x = 11,786,708.80

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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.