Home / 20,513,879.46-30,769,963.83-5,367,475.62

Finding the Fourth Proportional to 20,513,879.46, 30,769,963.83 and 5,367,475.62

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Solution

The fourth proportional to 20,513,879.46, 30,769,963.83 and 5,367,475.62 is: 8,050,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,513,879.46 : 30,769,963.83 = 5,367,475.62 : x
  2. Step 2: Convert to fraction form
    20,513,879.46/30,769,963.83 = 5,367,475.62/x
  3. Step 3: Cross multiply
    20,513,879.46x = 30,769,963.83 × 5,367,475.62
  4. Step 4: Simplify right side
    20,513,879.46x = 165,157,030,685,806.81
  5. Step 5: Solve for x
    x = 165,157,030,685,806.81/20,513,879.46
  6. Step 6: Final answer
    x = 8,050,989.62

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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.