Home / 26,969,749.30-37,221,895.06-15,211,431.28

Finding the Fourth Proportional to 26,969,749.30, 37,221,895.06 and 15,211,431.28

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Solution

The fourth proportional to 26,969,749.30, 37,221,895.06 and 15,211,431.28 is: 20,993,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,969,749.30 : 37,221,895.06 = 15,211,431.28 : x
  2. Step 2: Convert to fraction form
    26,969,749.30/37,221,895.06 = 15,211,431.28/x
  3. Step 3: Cross multiply
    26,969,749.30x = 37,221,895.06 × 15,211,431.28
  4. Step 4: Simplify right side
    26,969,749.30x = 566,198,298,816,561.50
  5. Step 5: Solve for x
    x = 566,198,298,816,561.50/26,969,749.30
  6. Step 6: Final answer
    x = 20,993,828.77

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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.