Home / 18,659,189.26-25,749,809.02-10,399,783.68

Finding the Fourth Proportional to 18,659,189.26, 25,749,809.02 and 10,399,783.68

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Solution

The fourth proportional to 18,659,189.26, 25,749,809.02 and 10,399,783.68 is: 14,351,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659,189.26 : 25,749,809.02 = 10,399,783.68 : x
  2. Step 2: Convert to fraction form
    18,659,189.26/25,749,809.02 = 10,399,783.68/x
  3. Step 3: Cross multiply
    18,659,189.26x = 25,749,809.02 × 10,399,783.68
  4. Step 4: Simplify right side
    18,659,189.26x = 267,792,443,480,563.75
  5. Step 5: Solve for x
    x = 267,792,443,480,563.75/18,659,189.26
  6. Step 6: Final answer
    x = 14,351,772.73

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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.