Home / 20,661,524.58-28,505,202.57-12,923,626.98

Finding the Fourth Proportional to 20,661,524.58, 28,505,202.57 and 12,923,626.98

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Solution

The fourth proportional to 20,661,524.58, 28,505,202.57 and 12,923,626.98 is: 17,829,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,661,524.58 : 28,505,202.57 = 12,923,626.98 : x
  2. Step 2: Convert to fraction form
    20,661,524.58/28,505,202.57 = 12,923,626.98/x
  3. Step 3: Cross multiply
    20,661,524.58x = 28,505,202.57 × 12,923,626.98
  4. Step 4: Simplify right side
    20,661,524.58x = 368,390,605,004,017.38
  5. Step 5: Solve for x
    x = 368,390,605,004,017.38/20,661,524.58
  6. Step 6: Final answer
    x = 17,829,788.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.