Home / 20,147,411.10-30,228,115.05-8,796,006.30

Finding the Fourth Proportional to 20,147,411.10, 30,228,115.05 and 8,796,006.30

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Solution

The fourth proportional to 20,147,411.10, 30,228,115.05 and 8,796,006.30 is: 13,197,064.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147,411.10 : 30,228,115.05 = 8,796,006.30 : x
  2. Step 2: Convert to fraction form
    20,147,411.10/30,228,115.05 = 8,796,006.30/x
  3. Step 3: Cross multiply
    20,147,411.10x = 30,228,115.05 × 8,796,006.30
  4. Step 4: Simplify right side
    20,147,411.10x = 265,886,690,416,924.84
  5. Step 5: Solve for x
    x = 265,886,690,416,924.84/20,147,411.10
  6. Step 6: Final answer
    x = 13,197,064.83

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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.