Home / 38,855,127.44-53,620,155.72-21,451,506.32

Finding the Fourth Proportional to 38,855,127.44, 53,620,155.72 and 21,451,506.32

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Solution

The fourth proportional to 38,855,127.44, 53,620,155.72 and 21,451,506.32 is: 29,603,122.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,855,127.44 : 53,620,155.72 = 21,451,506.32 : x
  2. Step 2: Convert to fraction form
    38,855,127.44/53,620,155.72 = 21,451,506.32/x
  3. Step 3: Cross multiply
    38,855,127.44x = 53,620,155.72 × 21,451,506.32
  4. Step 4: Simplify right side
    38,855,127.44x = 1,150,233,109,306,964.25
  5. Step 5: Solve for x
    x = 1,150,233,109,306,964.25/38,855,127.44
  6. Step 6: Final answer
    x = 29,603,122.81

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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.