Home / 29,379,658.73-40,501,198.33-20,531,639.66

Finding the Fourth Proportional to 29,379,658.73, 40,501,198.33 and 20,531,639.66

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Solution

The fourth proportional to 29,379,658.73, 40,501,198.33 and 20,531,639.66 is: 28,303,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379,658.73 : 40,501,198.33 = 20,531,639.66 : x
  2. Step 2: Convert to fraction form
    29,379,658.73/40,501,198.33 = 20,531,639.66/x
  3. Step 3: Cross multiply
    29,379,658.73x = 40,501,198.33 × 20,531,639.66
  4. Step 4: Simplify right side
    29,379,658.73x = 831,556,009,604,589.62
  5. Step 5: Solve for x
    x = 831,556,009,604,589.62/29,379,658.73
  6. Step 6: Final answer
    x = 28,303,800.85

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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.