Home / 28,362,278.96-39,139,413.45-17,348,219.60

Finding the Fourth Proportional to 28,362,278.96, 39,139,413.45 and 17,348,219.60

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Solution

The fourth proportional to 28,362,278.96, 39,139,413.45 and 17,348,219.60 is: 23,940,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362,278.96 : 39,139,413.45 = 17,348,219.60 : x
  2. Step 2: Convert to fraction form
    28,362,278.96/39,139,413.45 = 17,348,219.60/x
  3. Step 3: Cross multiply
    28,362,278.96x = 39,139,413.45 × 17,348,219.60
  4. Step 4: Simplify right side
    28,362,278.96x = 678,999,139,350,096.50
  5. Step 5: Solve for x
    x = 678,999,139,350,096.50/28,362,278.96
  6. Step 6: Final answer
    x = 23,940,217.94

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1.5x scale

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.