Home / 17,523,619.80-26,285,429.70-12,421,786.20

Finding the Fourth Proportional to 17,523,619.80, 26,285,429.70 and 12,421,786.20

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Solution

The fourth proportional to 17,523,619.80, 26,285,429.70 and 12,421,786.20 is: 18,632,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,523,619.80 : 26,285,429.70 = 12,421,786.20 : x
  2. Step 2: Convert to fraction form
    17,523,619.80/26,285,429.70 = 12,421,786.20/x
  3. Step 3: Cross multiply
    17,523,619.80x = 26,285,429.70 × 12,421,786.20
  4. Step 4: Simplify right side
    17,523,619.80x = 326,511,987,908,530.12
  5. Step 5: Solve for x
    x = 326,511,987,908,530.12/17,523,619.80
  6. Step 6: Final answer
    x = 18,632,679.30

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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.