Home / 20,954,765.66-31,432,157.21-9,426,767.80

Finding the Fourth Proportional to 20,954,765.66, 31,432,157.21 and 9,426,767.80

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Solution

The fourth proportional to 20,954,765.66, 31,432,157.21 and 9,426,767.80 is: 14,140,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954,765.66 : 31,432,157.21 = 9,426,767.80 : x
  2. Step 2: Convert to fraction form
    20,954,765.66/31,432,157.21 = 9,426,767.80/x
  3. Step 3: Cross multiply
    20,954,765.66x = 31,432,157.21 × 9,426,767.80
  4. Step 4: Simplify right side
    20,954,765.66x = 296,303,647,267,471.19
  5. Step 5: Solve for x
    x = 296,303,647,267,471.19/20,954,765.66
  6. Step 6: Final answer
    x = 14,140,155.61

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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.