Home / 18,707,899.50-25,629,393.41-18,008,461.64

Finding the Fourth Proportional to 18,707,899.50, 25,629,393.41 and 18,008,461.64

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Solution

The fourth proportional to 18,707,899.50, 25,629,393.41 and 18,008,461.64 is: 24,671,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707,899.50 : 25,629,393.41 = 18,008,461.64 : x
  2. Step 2: Convert to fraction form
    18,707,899.50/25,629,393.41 = 18,008,461.64/x
  3. Step 3: Cross multiply
    18,707,899.50x = 25,629,393.41 × 18,008,461.64
  4. Step 4: Simplify right side
    18,707,899.50x = 461,545,948,079,148.94
  5. Step 5: Solve for x
    x = 461,545,948,079,148.94/18,707,899.50
  6. Step 6: Final answer
    x = 24,671,179.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.