Home / 21,550,138.20-32,340,953.70-15,172,846.20

Finding the Fourth Proportional to 21,550,138.20, 32,340,953.70 and 15,172,846.20

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Solution

The fourth proportional to 21,550,138.20, 32,340,953.70 and 15,172,846.20 is: 22,770,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550,138.20 : 32,340,953.70 = 15,172,846.20 : x
  2. Step 2: Convert to fraction form
    21,550,138.20/32,340,953.70 = 15,172,846.20/x
  3. Step 3: Cross multiply
    21,550,138.20x = 32,340,953.70 × 15,172,846.20
  4. Step 4: Simplify right side
    21,550,138.20x = 490,704,316,451,420.88
  5. Step 5: Solve for x
    x = 490,704,316,451,420.88/21,550,138.20
  6. Step 6: Final answer
    x = 22,770,355.90

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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.