Home / 27,699,691.32-38,227,552.83-15,309,518.22

Finding the Fourth Proportional to 27,699,691.32, 38,227,552.83 and 15,309,518.22

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Solution

The fourth proportional to 27,699,691.32, 38,227,552.83 and 15,309,518.22 is: 21,128,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,691.32 : 38,227,552.83 = 15,309,518.22 : x
  2. Step 2: Convert to fraction form
    27,699,691.32/38,227,552.83 = 15,309,518.22/x
  3. Step 3: Cross multiply
    27,699,691.32x = 38,227,552.83 × 15,309,518.22
  4. Step 4: Simplify right side
    27,699,691.32x = 585,245,416,556,897.50
  5. Step 5: Solve for x
    x = 585,245,416,556,897.50/27,699,691.32
  6. Step 6: Final answer
    x = 21,128,228.82

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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.