Home / 20,513,871.46-30,769,951.83-5,367,467.62

Finding the Fourth Proportional to 20,513,871.46, 30,769,951.83 and 5,367,467.62

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Solution

The fourth proportional to 20,513,871.46, 30,769,951.83 and 5,367,467.62 is: 8,050,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,513,871.46 : 30,769,951.83 = 5,367,467.62 : x
  2. Step 2: Convert to fraction form
    20,513,871.46/30,769,951.83 = 5,367,467.62/x
  3. Step 3: Cross multiply
    20,513,871.46x = 30,769,951.83 × 5,367,467.62
  4. Step 4: Simplify right side
    20,513,871.46x = 165,156,720,116,484.75
  5. Step 5: Solve for x
    x = 165,156,720,116,484.75/20,513,871.46
  6. Step 6: Final answer
    x = 8,050,977.62

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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.