Home / 38,504,802.75-53,137,046.10-21,100,774.32

Finding the Fourth Proportional to 38,504,802.75, 53,137,046.10 and 21,100,774.32

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Solution

The fourth proportional to 38,504,802.75, 53,137,046.10 and 21,100,774.32 is: 29,119,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,504,802.75 : 53,137,046.10 = 21,100,774.32 : x
  2. Step 2: Convert to fraction form
    38,504,802.75/53,137,046.10 = 21,100,774.32/x
  3. Step 3: Cross multiply
    38,504,802.75x = 53,137,046.10 × 21,100,774.32
  4. Step 4: Simplify right side
    38,504,802.75x = 1,121,232,817,787,536.25
  5. Step 5: Solve for x
    x = 1,121,232,817,787,536.25/38,504,802.75
  6. Step 6: Final answer
    x = 29,119,297.79

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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.