Home / 13,774,448.20-20,661,672.30-12,286,413.40

Finding the Fourth Proportional to 13,774,448.20, 20,661,672.30 and 12,286,413.40

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Solution

The fourth proportional to 13,774,448.20, 20,661,672.30 and 12,286,413.40 is: 18,429,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774,448.20 : 20,661,672.30 = 12,286,413.40 : x
  2. Step 2: Convert to fraction form
    13,774,448.20/20,661,672.30 = 12,286,413.40/x
  3. Step 3: Cross multiply
    13,774,448.20x = 20,661,672.30 × 12,286,413.40
  4. Step 4: Simplify right side
    13,774,448.20x = 253,857,847,413,128.84
  5. Step 5: Solve for x
    x = 253,857,847,413,128.84/13,774,448.20
  6. Step 6: Final answer
    x = 18,429,620.10

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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.