Home / 21,504,720.60-32,257,080.90-21,007,056.60

Finding the Fourth Proportional to 21,504,720.60, 32,257,080.90 and 21,007,056.60

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Solution

The fourth proportional to 21,504,720.60, 32,257,080.90 and 21,007,056.60 is: 31,510,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504,720.60 : 32,257,080.90 = 21,007,056.60 : x
  2. Step 2: Convert to fraction form
    21,504,720.60/32,257,080.90 = 21,007,056.60/x
  3. Step 3: Cross multiply
    21,504,720.60x = 32,257,080.90 × 21,007,056.60
  4. Step 4: Simplify right side
    21,504,720.60x = 677,626,324,217,079
  5. Step 5: Solve for x
    x = 677,626,324,217,079/21,504,720.60
  6. Step 6: Final answer
    x = 31,510,584.90

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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.