Home / 38,845,669.43-53,607,029.06-21,442,017.93

Finding the Fourth Proportional to 38,845,669.43, 53,607,029.06 and 21,442,017.93

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Solution

The fourth proportional to 38,845,669.43, 53,607,029.06 and 21,442,017.93 is: 29,589,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845,669.43 : 53,607,029.06 = 21,442,017.93 : x
  2. Step 2: Convert to fraction form
    38,845,669.43/53,607,029.06 = 21,442,017.93/x
  3. Step 3: Cross multiply
    38,845,669.43x = 53,607,029.06 × 21,442,017.93
  4. Step 4: Simplify right side
    38,845,669.43x = 1,149,442,878,412,568.75
  5. Step 5: Solve for x
    x = 1,149,442,878,412,568.75/38,845,669.43
  6. Step 6: Final answer
    x = 29,589,987.64

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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.