Home / 25,185,937.20-37,715,920.20-20,147,089.20

Finding the Fourth Proportional to 25,185,937.20, 37,715,920.20 and 20,147,089.20

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Solution

The fourth proportional to 25,185,937.20, 37,715,920.20 and 20,147,089.20 is: 30,170,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,185,937.20 : 37,715,920.20 = 20,147,089.20 : x
  2. Step 2: Convert to fraction form
    25,185,937.20/37,715,920.20 = 20,147,089.20/x
  3. Step 3: Cross multiply
    25,185,937.20x = 37,715,920.20 × 20,147,089.20
  4. Step 4: Simplify right side
    25,185,937.20x = 759,866,008,529,481.88
  5. Step 5: Solve for x
    x = 759,866,008,529,481.88/25,185,937.20
  6. Step 6: Final answer
    x = 30,170,249.47

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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.