Home / 28,881,161.15-43,331,000.32-8,412,111.43

Finding the Fourth Proportional to 28,881,161.15, 43,331,000.32 and 8,412,111.43

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Solution

The fourth proportional to 28,881,161.15, 43,331,000.32 and 8,412,111.43 is: 12,620,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881,161.15 : 43,331,000.32 = 8,412,111.43 : x
  2. Step 2: Convert to fraction form
    28,881,161.15/43,331,000.32 = 8,412,111.43/x
  3. Step 3: Cross multiply
    28,881,161.15x = 43,331,000.32 × 8,412,111.43
  4. Step 4: Simplify right side
    28,881,161.15x = 364,505,202,967,393.31
  5. Step 5: Solve for x
    x = 364,505,202,967,393.31/28,881,161.15
  6. Step 6: Final answer
    x = 12,620,863.86

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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.