Home / 13,774,069.80-20,661,104.70-12,923,764.20

Finding the Fourth Proportional to 13,774,069.80, 20,661,104.70 and 12,923,764.20

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Solution

The fourth proportional to 13,774,069.80, 20,661,104.70 and 12,923,764.20 is: 19,385,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774,069.80 : 20,661,104.70 = 12,923,764.20 : x
  2. Step 2: Convert to fraction form
    13,774,069.80/20,661,104.70 = 12,923,764.20/x
  3. Step 3: Cross multiply
    13,774,069.80x = 20,661,104.70 × 12,923,764.20
  4. Step 4: Simplify right side
    13,774,069.80x = 267,019,245,254,311.72
  5. Step 5: Solve for x
    x = 267,019,245,254,311.72/13,774,069.80
  6. Step 6: Final answer
    x = 19,385,646.30

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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.