Home / 18,415,393.56-25,412,687.46-10,155,452.04

Finding the Fourth Proportional to 18,415,393.56, 25,412,687.46 and 10,155,452.04

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Solution

The fourth proportional to 18,415,393.56, 25,412,687.46 and 10,155,452.04 is: 14,014,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,415,393.56 : 25,412,687.46 = 10,155,452.04 : x
  2. Step 2: Convert to fraction form
    18,415,393.56/25,412,687.46 = 10,155,452.04/x
  3. Step 3: Cross multiply
    18,415,393.56x = 25,412,687.46 × 10,155,452.04
  4. Step 4: Simplify right side
    18,415,393.56x = 258,077,328,707,539.41
  5. Step 5: Solve for x
    x = 258,077,328,707,539.41/18,415,393.56
  6. Step 6: Final answer
    x = 14,014,217.39

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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.