Home / 38,959,224-53,763,913.44-21,789,816

Finding the Fourth Proportional to 38,959,224, 53,763,913.44 and 21,789,816

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Solution

The fourth proportional to 38,959,224, 53,763,913.44 and 21,789,816 is: 30,070,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,959,224 : 53,763,913.44 = 21,789,816 : x
  2. Step 2: Convert to fraction form
    38,959,224/53,763,913.44 = 21,789,816/x
  3. Step 3: Cross multiply
    38,959,224x = 53,763,913.44 × 21,789,816
  4. Step 4: Simplify right side
    38,959,224x = 1,171,505,781,297,527
  5. Step 5: Solve for x
    x = 1,171,505,781,297,527/38,959,224
  6. Step 6: Final answer
    x = 30,070,049.17

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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.