Home / 16,821,036.70-25,231,555.05-9,168,286.30

Finding the Fourth Proportional to 16,821,036.70, 25,231,555.05 and 9,168,286.30

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Solution

The fourth proportional to 16,821,036.70, 25,231,555.05 and 9,168,286.30 is: 13,752,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,036.70 : 25,231,555.05 = 9,168,286.30 : x
  2. Step 2: Convert to fraction form
    16,821,036.70/25,231,555.05 = 9,168,286.30/x
  3. Step 3: Cross multiply
    16,821,036.70x = 25,231,555.05 × 9,168,286.30
  4. Step 4: Simplify right side
    16,821,036.70x = 231,330,120,492,610.84
  5. Step 5: Solve for x
    x = 231,330,120,492,610.84/16,821,036.70
  6. Step 6: Final answer
    x = 13,752,429.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.