Home / 16,821,036.55-25,231,554.83-9,168,286.15

Finding the Fourth Proportional to 16,821,036.55, 25,231,554.83 and 9,168,286.15

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Solution

The fourth proportional to 16,821,036.55, 25,231,554.83 and 9,168,286.15 is: 13,752,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,036.55 : 25,231,554.83 = 9,168,286.15 : x
  2. Step 2: Convert to fraction form
    16,821,036.55/25,231,554.83 = 9,168,286.15/x
  3. Step 3: Cross multiply
    16,821,036.55x = 25,231,554.83 × 9,168,286.15
  4. Step 4: Simplify right side
    16,821,036.55x = 231,330,114,581,934.31
  5. Step 5: Solve for x
    x = 231,330,114,581,934.31/16,821,036.55
  6. Step 6: Final answer
    x = 13,752,429.22

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Double scale
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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.