Home / 13,085,500.47-18,057,120.66-7,284,133.05

Finding the Fourth Proportional to 13,085,500.47, 18,057,120.66 and 7,284,133.05

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Solution

The fourth proportional to 13,085,500.47, 18,057,120.66 and 7,284,133.05 is: 10,051,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085,500.47 : 18,057,120.66 = 7,284,133.05 : x
  2. Step 2: Convert to fraction form
    13,085,500.47/18,057,120.66 = 7,284,133.05/x
  3. Step 3: Cross multiply
    13,085,500.47x = 18,057,120.66 × 7,284,133.05
  4. Step 4: Simplify right side
    13,085,500.47x = 131,530,469,387,343.81
  5. Step 5: Solve for x
    x = 131,530,469,387,343.81/13,085,500.47
  6. Step 6: Final answer
    x = 10,051,619.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.