Home / 27,806,570.22-38,375,339.32-15,420,542.70

Finding the Fourth Proportional to 27,806,570.22, 38,375,339.32 and 15,420,542.70

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Solution

The fourth proportional to 27,806,570.22, 38,375,339.32 and 15,420,542.70 is: 21,281,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,806,570.22 : 38,375,339.32 = 15,420,542.70 : x
  2. Step 2: Convert to fraction form
    27,806,570.22/38,375,339.32 = 15,420,542.70/x
  3. Step 3: Cross multiply
    27,806,570.22x = 38,375,339.32 × 15,420,542.70
  4. Step 4: Simplify right side
    27,806,570.22x = 591,768,558,611,049
  5. Step 5: Solve for x
    x = 591,768,558,611,049/27,806,570.22
  6. Step 6: Final answer
    x = 21,281,609.13

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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.