Home / 19,505,521.86-29,268,994.54-11,318,175.04

Finding the Fourth Proportional to 19,505,521.86, 29,268,994.54 and 11,318,175.04

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Solution

The fourth proportional to 19,505,521.86, 29,268,994.54 and 11,318,175.04 is: 16,983,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,505,521.86 : 29,268,994.54 = 11,318,175.04 : x
  2. Step 2: Convert to fraction form
    19,505,521.86/29,268,994.54 = 11,318,175.04/x
  3. Step 3: Cross multiply
    19,505,521.86x = 29,268,994.54 × 11,318,175.04
  4. Step 4: Simplify right side
    19,505,521.86x = 331,271,603,448,524.25
  5. Step 5: Solve for x
    x = 331,271,603,448,524.25/19,505,521.86
  6. Step 6: Final answer
    x = 16,983,478.11

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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.