Home / 57,576,413.92-86,379,762.24-20,692,027.12

Finding the Fourth Proportional to 57,576,413.92, 86,379,762.24 and 20,692,027.12

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Solution

The fourth proportional to 57,576,413.92, 86,379,762.24 and 20,692,027.12 is: 31,043,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,576,413.92 : 86,379,762.24 = 20,692,027.12 : x
  2. Step 2: Convert to fraction form
    57,576,413.92/86,379,762.24 = 20,692,027.12/x
  3. Step 3: Cross multiply
    57,576,413.92x = 86,379,762.24 × 20,692,027.12
  4. Step 4: Simplify right side
    57,576,413.92x = 1,787,372,382,889,232
  5. Step 5: Solve for x
    x = 1,787,372,382,889,232/57,576,413.92
  6. Step 6: Final answer
    x = 31,043,482.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.