Home / 20,562,402.20-30,855,413.10-7,792,071.80

Finding the Fourth Proportional to 20,562,402.20, 30,855,413.10 and 7,792,071.80

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Solution

The fourth proportional to 20,562,402.20, 30,855,413.10 and 7,792,071.80 is: 11,692,582.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562,402.20 : 30,855,413.10 = 7,792,071.80 : x
  2. Step 2: Convert to fraction form
    20,562,402.20/30,855,413.10 = 7,792,071.80/x
  3. Step 3: Cross multiply
    20,562,402.20x = 30,855,413.10 × 7,792,071.80
  4. Step 4: Simplify right side
    20,562,402.20x = 240,427,594,293,860.59
  5. Step 5: Solve for x
    x = 240,427,594,293,860.59/20,562,402.20
  6. Step 6: Final answer
    x = 11,692,582.99

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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.