Home / 29,148,415.20-43,722,622.80-8,954,661.60

Finding the Fourth Proportional to 29,148,415.20, 43,722,622.80 and 8,954,661.60

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Solution

The fourth proportional to 29,148,415.20, 43,722,622.80 and 8,954,661.60 is: 13,431,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148,415.20 : 43,722,622.80 = 8,954,661.60 : x
  2. Step 2: Convert to fraction form
    29,148,415.20/43,722,622.80 = 8,954,661.60/x
  3. Step 3: Cross multiply
    29,148,415.20x = 43,722,622.80 × 8,954,661.60
  4. Step 4: Simplify right side
    29,148,415.20x = 391,521,291,438,444.44
  5. Step 5: Solve for x
    x = 391,521,291,438,444.44/29,148,415.20
  6. Step 6: Final answer
    x = 13,431,992.40

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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.