Home / 21,933,105.85-30,268,147.87-12,010,405.28

Finding the Fourth Proportional to 21,933,105.85, 30,268,147.87 and 12,010,405.28

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Solution

The fourth proportional to 21,933,105.85, 30,268,147.87 and 12,010,405.28 is: 16,574,612.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933,105.85 : 30,268,147.87 = 12,010,405.28 : x
  2. Step 2: Convert to fraction form
    21,933,105.85/30,268,147.87 = 12,010,405.28/x
  3. Step 3: Cross multiply
    21,933,105.85x = 30,268,147.87 × 12,010,405.28
  4. Step 4: Simplify right side
    21,933,105.85x = 363,532,722,857,341
  5. Step 5: Solve for x
    x = 363,532,722,857,341/21,933,105.85
  6. Step 6: Final answer
    x = 16,574,612.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.