Home / 18,954,080.80-28,431,121.20-18,670,645.60

Finding the Fourth Proportional to 18,954,080.80, 28,431,121.20 and 18,670,645.60

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Solution

The fourth proportional to 18,954,080.80, 28,431,121.20 and 18,670,645.60 is: 28,005,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,080.80 : 28,431,121.20 = 18,670,645.60 : x
  2. Step 2: Convert to fraction form
    18,954,080.80/28,431,121.20 = 18,670,645.60/x
  3. Step 3: Cross multiply
    18,954,080.80x = 28,431,121.20 × 18,670,645.60
  4. Step 4: Simplify right side
    18,954,080.80x = 530,827,387,935,846.75
  5. Step 5: Solve for x
    x = 530,827,387,935,846.75/18,954,080.80
  6. Step 6: Final answer
    x = 28,005,968.40

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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.