Home / 18,906,919.47-28,314,913.23-10,795,309.29

Finding the Fourth Proportional to 18,906,919.47, 28,314,913.23 and 10,795,309.29

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Solution

The fourth proportional to 18,906,919.47, 28,314,913.23 and 10,795,309.29 is: 16,167,004.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,906,919.47 : 28,314,913.23 = 10,795,309.29 : x
  2. Step 2: Convert to fraction form
    18,906,919.47/28,314,913.23 = 10,795,309.29/x
  3. Step 3: Cross multiply
    18,906,919.47x = 28,314,913.23 × 10,795,309.29
  4. Step 4: Simplify right side
    18,906,919.47x = 305,668,245,837,362.88
  5. Step 5: Solve for x
    x = 305,668,245,837,362.88/18,906,919.47
  6. Step 6: Final answer
    x = 16,167,004.17

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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.