Home / 18,628,087.60-27,942,131.40-16,388,599.60

Finding the Fourth Proportional to 18,628,087.60, 27,942,131.40 and 16,388,599.60

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Solution

The fourth proportional to 18,628,087.60, 27,942,131.40 and 16,388,599.60 is: 24,582,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628,087.60 : 27,942,131.40 = 16,388,599.60 : x
  2. Step 2: Convert to fraction form
    18,628,087.60/27,942,131.40 = 16,388,599.60/x
  3. Step 3: Cross multiply
    18,628,087.60x = 27,942,131.40 × 16,388,599.60
  4. Step 4: Simplify right side
    18,628,087.60x = 457,932,403,485,187.38
  5. Step 5: Solve for x
    x = 457,932,403,485,187.38/18,628,087.60
  6. Step 6: Final answer
    x = 24,582,899.40

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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.