Home / 16,821,206.70-25,231,810.05-9,168,456.30

Finding the Fourth Proportional to 16,821,206.70, 25,231,810.05 and 9,168,456.30

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Solution

The fourth proportional to 16,821,206.70, 25,231,810.05 and 9,168,456.30 is: 13,752,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,206.70 : 25,231,810.05 = 9,168,456.30 : x
  2. Step 2: Convert to fraction form
    16,821,206.70/25,231,810.05 = 9,168,456.30/x
  3. Step 3: Cross multiply
    16,821,206.70x = 25,231,810.05 × 9,168,456.30
  4. Step 4: Simplify right side
    16,821,206.70x = 231,336,747,813,325.84
  5. Step 5: Solve for x
    x = 231,336,747,813,325.84/16,821,206.70
  6. Step 6: Final answer
    x = 13,752,684.45

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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.