Home / 31,922,486.40-47,883,729.60-18,452,380.80

Finding the Fourth Proportional to 31,922,486.40, 47,883,729.60 and 18,452,380.80

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Solution

The fourth proportional to 31,922,486.40, 47,883,729.60 and 18,452,380.80 is: 27,678,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922,486.40 : 47,883,729.60 = 18,452,380.80 : x
  2. Step 2: Convert to fraction form
    31,922,486.40/47,883,729.60 = 18,452,380.80/x
  3. Step 3: Cross multiply
    31,922,486.40x = 47,883,729.60 × 18,452,380.80
  4. Step 4: Simplify right side
    31,922,486.40x = 883,568,812,703,431.75
  5. Step 5: Solve for x
    x = 883,568,812,703,431.75/31,922,486.40
  6. Step 6: Final answer
    x = 27,678,571.20

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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.