Home / 27,806,571.22-38,375,340.70-15,420,543.70

Finding the Fourth Proportional to 27,806,571.22, 38,375,340.70 and 15,420,543.70

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Solution

The fourth proportional to 27,806,571.22, 38,375,340.70 and 15,420,543.70 is: 21,281,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,806,571.22 : 38,375,340.70 = 15,420,543.70 : x
  2. Step 2: Convert to fraction form
    27,806,571.22/38,375,340.70 = 15,420,543.70/x
  3. Step 3: Cross multiply
    27,806,571.22x = 38,375,340.70 × 15,420,543.70
  4. Step 4: Simplify right side
    27,806,571.22x = 591,768,618,266,738.62
  5. Step 5: Solve for x
    x = 591,768,618,266,738.62/27,806,571.22
  6. Step 6: Final answer
    x = 21,281,610.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.