Home / 38,811,121.44-53,558,409.19-21,407,092.98

Finding the Fourth Proportional to 38,811,121.44, 53,558,409.19 and 21,407,092.98

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Solution

The fourth proportional to 38,811,121.44, 53,558,409.19 and 21,407,092.98 is: 29,541,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,811,121.44 : 53,558,409.19 = 21,407,092.98 : x
  2. Step 2: Convert to fraction form
    38,811,121.44/53,558,409.19 = 21,407,092.98/x
  3. Step 3: Cross multiply
    38,811,121.44x = 53,558,409.19 × 21,407,092.98
  4. Step 4: Simplify right side
    38,811,121.44x = 1,146,529,845,391,216.50
  5. Step 5: Solve for x
    x = 1,146,529,845,391,216.50/38,811,121.44
  6. Step 6: Final answer
    x = 29,541,270.72

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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.