Home / 30,946,413.60-46,419,620.40-8,229,607.20

Finding the Fourth Proportional to 30,946,413.60, 46,419,620.40 and 8,229,607.20

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Solution

The fourth proportional to 30,946,413.60, 46,419,620.40 and 8,229,607.20 is: 12,344,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946,413.60 : 46,419,620.40 = 8,229,607.20 : x
  2. Step 2: Convert to fraction form
    30,946,413.60/46,419,620.40 = 8,229,607.20/x
  3. Step 3: Cross multiply
    30,946,413.60x = 46,419,620.40 × 8,229,607.20
  4. Step 4: Simplify right side
    30,946,413.60x = 382,015,242,265,106.88
  5. Step 5: Solve for x
    x = 382,015,242,265,106.88/30,946,413.60
  6. Step 6: Final answer
    x = 12,344,410.80

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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.