Home / 38,022,940.76-52,471,685.91-20,619,281.57

Finding the Fourth Proportional to 38,022,940.76, 52,471,685.91 and 20,619,281.57

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Solution

The fourth proportional to 38,022,940.76, 52,471,685.91 and 20,619,281.57 is: 28,454,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,022,940.76 : 52,471,685.91 = 20,619,281.57 : x
  2. Step 2: Convert to fraction form
    38,022,940.76/52,471,685.91 = 20,619,281.57/x
  3. Step 3: Cross multiply
    38,022,940.76x = 52,471,685.91 × 20,619,281.57
  4. Step 4: Simplify right side
    38,022,940.76x = 1,081,928,466,099,712.38
  5. Step 5: Solve for x
    x = 1,081,928,466,099,712.38/38,022,940.76
  6. Step 6: Final answer
    x = 28,454,623.57

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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.