Home / 27,699,458.22-38,227,231.53-15,309,285.12

Finding the Fourth Proportional to 27,699,458.22, 38,227,231.53 and 15,309,285.12

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Solution

The fourth proportional to 27,699,458.22, 38,227,231.53 and 15,309,285.12 is: 21,127,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,458.22 : 38,227,231.53 = 15,309,285.12 : x
  2. Step 2: Convert to fraction form
    27,699,458.22/38,227,231.53 = 15,309,285.12/x
  3. Step 3: Cross multiply
    27,699,458.22x = 38,227,231.53 × 15,309,285.12
  4. Step 4: Simplify right side
    27,699,458.22x = 585,231,586,841,023.88
  5. Step 5: Solve for x
    x = 585,231,586,841,023.88/27,699,458.22
  6. Step 6: Final answer
    x = 21,127,907.35

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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.