Home / 19,505,518.86-29,268,990.03-11,318,172.03

Finding the Fourth Proportional to 19,505,518.86, 29,268,990.03 and 11,318,172.03

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Solution

The fourth proportional to 19,505,518.86, 29,268,990.03 and 11,318,172.03 is: 16,983,473.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,505,518.86 : 29,268,990.03 = 11,318,172.03 : x
  2. Step 2: Convert to fraction form
    19,505,518.86/29,268,990.03 = 11,318,172.03/x
  3. Step 3: Cross multiply
    19,505,518.86x = 29,268,990.03 × 11,318,172.03
  4. Step 4: Simplify right side
    19,505,518.86x = 331,271,464,303,894.88
  5. Step 5: Solve for x
    x = 331,271,464,303,894.88/19,505,518.86
  6. Step 6: Final answer
    x = 16,983,473.58

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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.