Home / 38,022,946.52-52,471,693.85-20,619,287.33

Finding the Fourth Proportional to 38,022,946.52, 52,471,693.85 and 20,619,287.33

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Solution

The fourth proportional to 38,022,946.52, 52,471,693.85 and 20,619,287.33 is: 28,454,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,022,946.52 : 52,471,693.85 = 20,619,287.33 : x
  2. Step 2: Convert to fraction form
    38,022,946.52/52,471,693.85 = 20,619,287.33/x
  3. Step 3: Cross multiply
    38,022,946.52x = 52,471,693.85 × 20,619,287.33
  4. Step 4: Simplify right side
    38,022,946.52x = 1,081,928,931,819,489
  5. Step 5: Solve for x
    x = 1,081,928,931,819,489/38,022,946.52
  6. Step 6: Final answer
    x = 28,454,631.51

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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.