Home / 20,573,690.21-30,867,395.66-13,684,329.93

Finding the Fourth Proportional to 20,573,690.21, 30,867,395.66 and 13,684,329.93

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Solution

The fourth proportional to 20,573,690.21, 30,867,395.66 and 13,684,329.93 is: 20,531,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573,690.21 : 30,867,395.66 = 13,684,329.93 : x
  2. Step 2: Convert to fraction form
    20,573,690.21/30,867,395.66 = 13,684,329.93/x
  3. Step 3: Cross multiply
    20,573,690.21x = 30,867,395.66 × 13,684,329.93
  4. Step 4: Simplify right side
    20,573,690.21x = 422,399,626,325,500.94
  5. Step 5: Solve for x
    x = 422,399,626,325,500.94/20,573,690.21
  6. Step 6: Final answer
    x = 20,531,057.97

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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.