Home / 27,699,421.98-38,227,180.37-15,309,249.14

Finding the Fourth Proportional to 27,699,421.98, 38,227,180.37 and 15,309,249.14

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Solution

The fourth proportional to 27,699,421.98, 38,227,180.37 and 15,309,249.14 is: 21,127,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,421.98 : 38,227,180.37 = 15,309,249.14 : x
  2. Step 2: Convert to fraction form
    27,699,421.98/38,227,180.37 = 15,309,249.14/x
  3. Step 3: Cross multiply
    27,699,421.98x = 38,227,180.37 × 15,309,249.14
  4. Step 4: Simplify right side
    27,699,421.98x = 585,229,427,936,365.25
  5. Step 5: Solve for x
    x = 585,229,427,936,365.25/27,699,421.98
  6. Step 6: Final answer
    x = 21,127,857.05

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1.5x scale

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.