Home / 27,699,464.64-38,227,240.26-15,309,291.54

Finding the Fourth Proportional to 27,699,464.64, 38,227,240.26 and 15,309,291.54

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Solution

The fourth proportional to 27,699,464.64, 38,227,240.26 and 15,309,291.54 is: 21,127,916.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,464.64 : 38,227,240.26 = 15,309,291.54 : x
  2. Step 2: Convert to fraction form
    27,699,464.64/38,227,240.26 = 15,309,291.54/x
  3. Step 3: Cross multiply
    27,699,464.64x = 38,227,240.26 × 15,309,291.54
  4. Step 4: Simplify right side
    27,699,464.64x = 585,231,965,909,965.38
  5. Step 5: Solve for x
    x = 585,231,965,909,965.38/27,699,464.64
  6. Step 6: Final answer
    x = 21,127,916.14

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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.