Home / 21,923,517.56-30,254,229.42-12,133,980.68

Finding the Fourth Proportional to 21,923,517.56, 30,254,229.42 and 12,133,980.68

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Solution

The fourth proportional to 21,923,517.56, 30,254,229.42 and 12,133,980.68 is: 16,744,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923,517.56 : 30,254,229.42 = 12,133,980.68 : x
  2. Step 2: Convert to fraction form
    21,923,517.56/30,254,229.42 = 12,133,980.68/x
  3. Step 3: Cross multiply
    21,923,517.56x = 30,254,229.42 × 12,133,980.68
  4. Step 4: Simplify right side
    21,923,517.56x = 367,104,235,270,567.62
  5. Step 5: Solve for x
    x = 367,104,235,270,567.62/21,923,517.56
  6. Step 6: Final answer
    x = 16,744,768.91

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1.5x scale

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.