Home / 30,083,647.25-41,515,432.81-16,332,611.38

Finding the Fourth Proportional to 30,083,647.25, 41,515,432.81 and 16,332,611.38

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Solution

The fourth proportional to 30,083,647.25, 41,515,432.81 and 16,332,611.38 is: 22,539,003.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,083,647.25 : 41,515,432.81 = 16,332,611.38 : x
  2. Step 2: Convert to fraction form
    30,083,647.25/41,515,432.81 = 16,332,611.38/x
  3. Step 3: Cross multiply
    30,083,647.25x = 41,515,432.81 × 16,332,611.38
  4. Step 4: Simplify right side
    30,083,647.25x = 678,055,430,213,611.25
  5. Step 5: Solve for x
    x = 678,055,430,213,611.25/30,083,647.25
  6. Step 6: Final answer
    x = 22,539,003.48

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1.5x scale

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.