Home / 21,342,734.94-31,994,485.62-7,692,540.62

Finding the Fourth Proportional to 21,342,734.94, 31,994,485.62 and 7,692,540.62

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Solution

The fourth proportional to 21,342,734.94, 31,994,485.62 and 7,692,540.62 is: 11,531,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,342,734.94 : 31,994,485.62 = 7,692,540.62 : x
  2. Step 2: Convert to fraction form
    21,342,734.94/31,994,485.62 = 7,692,540.62/x
  3. Step 3: Cross multiply
    21,342,734.94x = 31,994,485.62 × 7,692,540.62
  4. Step 4: Simplify right side
    21,342,734.94x = 246,118,880,247,855.91
  5. Step 5: Solve for x
    x = 246,118,880,247,855.91/21,342,734.94
  6. Step 6: Final answer
    x = 11,531,740.47

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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.