Home / 16,782,754.20-25,150,511.70-12,430,842.90

Finding the Fourth Proportional to 16,782,754.20, 25,150,511.70 and 12,430,842.90

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Solution

The fourth proportional to 16,782,754.20, 25,150,511.70 and 12,430,842.90 is: 18,628,769.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782,754.20 : 25,150,511.70 = 12,430,842.90 : x
  2. Step 2: Convert to fraction form
    16,782,754.20/25,150,511.70 = 12,430,842.90/x
  3. Step 3: Cross multiply
    16,782,754.20x = 25,150,511.70 × 12,430,842.90
  4. Step 4: Simplify right side
    16,782,754.20x = 312,642,059,797,311.94
  5. Step 5: Solve for x
    x = 312,642,059,797,311.94/16,782,754.20
  6. Step 6: Final answer
    x = 18,628,769.51

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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.