Home / 16,966,942.40-25,450,413.60-13,183,140.80

Finding the Fourth Proportional to 16,966,942.40, 25,450,413.60 and 13,183,140.80

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Solution

The fourth proportional to 16,966,942.40, 25,450,413.60 and 13,183,140.80 is: 19,774,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966,942.40 : 25,450,413.60 = 13,183,140.80 : x
  2. Step 2: Convert to fraction form
    16,966,942.40/25,450,413.60 = 13,183,140.80/x
  3. Step 3: Cross multiply
    16,966,942.40x = 25,450,413.60 × 13,183,140.80
  4. Step 4: Simplify right side
    16,966,942.40x = 335,516,385,907,034.94
  5. Step 5: Solve for x
    x = 335,516,385,907,034.94/16,966,942.40
  6. Step 6: Final answer
    x = 19,774,711.20

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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.