Home / 29,379,439.73-40,500,896.27-20,531,420.33

Finding the Fourth Proportional to 29,379,439.73, 40,500,896.27 and 20,531,420.33

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Solution

The fourth proportional to 29,379,439.73, 40,500,896.27 and 20,531,420.33 is: 28,303,498.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379,439.73 : 40,500,896.27 = 20,531,420.33 : x
  2. Step 2: Convert to fraction form
    29,379,439.73/40,500,896.27 = 20,531,420.33/x
  3. Step 3: Cross multiply
    29,379,439.73x = 40,500,896.27 × 20,531,420.33
  4. Step 4: Simplify right side
    29,379,439.73x = 831,540,924,755,937.62
  5. Step 5: Solve for x
    x = 831,540,924,755,937.62/29,379,439.73
  6. Step 6: Final answer
    x = 28,303,498.38

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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.