Home / 38,079,132.78-52,548,664.04-21,558,827.97

Finding the Fourth Proportional to 38,079,132.78, 52,548,664.04 and 21,558,827.97

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Solution

The fourth proportional to 38,079,132.78, 52,548,664.04 and 21,558,827.97 is: 29,750,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079,132.78 : 52,548,664.04 = 21,558,827.97 : x
  2. Step 2: Convert to fraction form
    38,079,132.78/52,548,664.04 = 21,558,827.97/x
  3. Step 3: Cross multiply
    38,079,132.78x = 52,548,664.04 × 21,558,827.97
  4. Step 4: Simplify right side
    38,079,132.78x = 1,132,887,608,064,736.50
  5. Step 5: Solve for x
    x = 1,132,887,608,064,736.50/38,079,132.78
  6. Step 6: Final answer
    x = 29,750,877.32

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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.