Home / 16,821,036.20-25,231,554.30-9,168,285.80

Finding the Fourth Proportional to 16,821,036.20, 25,231,554.30 and 9,168,285.80

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Solution

The fourth proportional to 16,821,036.20, 25,231,554.30 and 9,168,285.80 is: 13,752,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,036.20 : 25,231,554.30 = 9,168,285.80 : x
  2. Step 2: Convert to fraction form
    16,821,036.20/25,231,554.30 = 9,168,285.80/x
  3. Step 3: Cross multiply
    16,821,036.20x = 25,231,554.30 × 9,168,285.80
  4. Step 4: Simplify right side
    16,821,036.20x = 231,330,101,000,618.97
  5. Step 5: Solve for x
    x = 231,330,101,000,618.97/16,821,036.20
  6. Step 6: Final answer
    x = 13,752,428.70

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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.