Home / 38,558,601.76-53,211,413.44-21,154,630.72

Finding the Fourth Proportional to 38,558,601.76, 53,211,413.44 and 21,154,630.72

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Solution

The fourth proportional to 38,558,601.76, 53,211,413.44 and 21,154,630.72 is: 29,193,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,558,601.76 : 53,211,413.44 = 21,154,630.72 : x
  2. Step 2: Convert to fraction form
    38,558,601.76/53,211,413.44 = 21,154,630.72/x
  3. Step 3: Cross multiply
    38,558,601.76x = 53,211,413.44 × 21,154,630.72
  4. Step 4: Simplify right side
    38,558,601.76x = 1,125,667,801,412,444.75
  5. Step 5: Solve for x
    x = 1,125,667,801,412,444.75/38,558,601.76
  6. Step 6: Final answer
    x = 29,193,688.31

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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.