Home / 11,535,649.20-17,284,811.40-7,268,180.40

Finding the Fourth Proportional to 11,535,649.20, 17,284,811.40 and 7,268,180.40

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Solution

The fourth proportional to 11,535,649.20, 17,284,811.40 and 7,268,180.40 is: 10,890,512.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535,649.20 : 17,284,811.40 = 7,268,180.40 : x
  2. Step 2: Convert to fraction form
    11,535,649.20/17,284,811.40 = 7,268,180.40/x
  3. Step 3: Cross multiply
    11,535,649.20x = 17,284,811.40 × 7,268,180.40
  4. Step 4: Simplify right side
    11,535,649.20x = 125,629,127,435,176.56
  5. Step 5: Solve for x
    x = 125,629,127,435,176.56/11,535,649.20
  6. Step 6: Final answer
    x = 10,890,512.12

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1.5x scale

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.