Home / 38,961,878.51-53,767,455.33-21,558,957.23

Finding the Fourth Proportional to 38,961,878.51, 53,767,455.33 and 21,558,957.23

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Solution

The fourth proportional to 38,961,878.51, 53,767,455.33 and 21,558,957.23 is: 29,751,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961,878.51 : 53,767,455.33 = 21,558,957.23 : x
  2. Step 2: Convert to fraction form
    38,961,878.51/53,767,455.33 = 21,558,957.23/x
  3. Step 3: Cross multiply
    38,961,878.51x = 53,767,455.33 × 21,558,957.23
  4. Step 4: Simplify right side
    38,961,878.51x = 1,159,170,269,556,568.25
  5. Step 5: Solve for x
    x = 1,159,170,269,556,568.25/38,961,878.51
  6. Step 6: Final answer
    x = 29,751,395.83

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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.