Home / 27,515,809.20-41,273,713.80-21,158,151.60

Finding the Fourth Proportional to 27,515,809.20, 41,273,713.80 and 21,158,151.60

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Solution

The fourth proportional to 27,515,809.20, 41,273,713.80 and 21,158,151.60 is: 31,737,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515,809.20 : 41,273,713.80 = 21,158,151.60 : x
  2. Step 2: Convert to fraction form
    27,515,809.20/41,273,713.80 = 21,158,151.60/x
  3. Step 3: Cross multiply
    27,515,809.20x = 41,273,713.80 × 21,158,151.60
  4. Step 4: Simplify right side
    27,515,809.20x = 873,275,493,675,412.12
  5. Step 5: Solve for x
    x = 873,275,493,675,412.12/27,515,809.20
  6. Step 6: Final answer
    x = 31,737,227.40

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1.5x scale

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.