Home / 12,220,277.80-18,330,413.94-3,122,392.40

Finding the Fourth Proportional to 12,220,277.80, 18,330,413.94 and 3,122,392.40

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Solution

The fourth proportional to 12,220,277.80, 18,330,413.94 and 3,122,392.40 is: 4,683,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220,277.80 : 18,330,413.94 = 3,122,392.40 : x
  2. Step 2: Convert to fraction form
    12,220,277.80/18,330,413.94 = 3,122,392.40/x
  3. Step 3: Cross multiply
    12,220,277.80x = 18,330,413.94 × 3,122,392.40
  4. Step 4: Simplify right side
    12,220,277.80x = 57,234,745,175,110.05
  5. Step 5: Solve for x
    x = 57,234,745,175,110.05/12,220,277.80
  6. Step 6: Final answer
    x = 4,683,587.89

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1.5x scale

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.