Home / 20,851,444.52-28,774,992.81-11,558,991.04

Finding the Fourth Proportional to 20,851,444.52, 28,774,992.81 and 11,558,991.04

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Solution

The fourth proportional to 20,851,444.52, 28,774,992.81 and 11,558,991.04 is: 15,951,407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851,444.52 : 28,774,992.81 = 11,558,991.04 : x
  2. Step 2: Convert to fraction form
    20,851,444.52/28,774,992.81 = 11,558,991.04/x
  3. Step 3: Cross multiply
    20,851,444.52x = 28,774,992.81 × 11,558,991.04
  4. Step 4: Simplify right side
    20,851,444.52x = 332,609,883,922,979.44
  5. Step 5: Solve for x
    x = 332,609,883,922,979.44/20,851,444.52
  6. Step 6: Final answer
    x = 15,951,407.28

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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.