Home / 18,452,014.60-27,678,021.90-17,108,321.80

Finding the Fourth Proportional to 18,452,014.60, 27,678,021.90 and 17,108,321.80

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Solution

The fourth proportional to 18,452,014.60, 27,678,021.90 and 17,108,321.80 is: 25,662,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,014.60 : 27,678,021.90 = 17,108,321.80 : x
  2. Step 2: Convert to fraction form
    18,452,014.60/27,678,021.90 = 17,108,321.80/x
  3. Step 3: Cross multiply
    18,452,014.60x = 27,678,021.90 × 17,108,321.80
  4. Step 4: Simplify right side
    18,452,014.60x = 473,524,505,452,647.44
  5. Step 5: Solve for x
    x = 473,524,505,452,647.44/18,452,014.60
  6. Step 6: Final answer
    x = 25,662,482.70

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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.