Home / 28,790,433.45-43,185,650.31-9,621,190.50

Finding the Fourth Proportional to 28,790,433.45, 43,185,650.31 and 9,621,190.50

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Solution

The fourth proportional to 28,790,433.45, 43,185,650.31 and 9,621,190.50 is: 14,431,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790,433.45 : 43,185,650.31 = 9,621,190.50 : x
  2. Step 2: Convert to fraction form
    28,790,433.45/43,185,650.31 = 9,621,190.50/x
  3. Step 3: Cross multiply
    28,790,433.45x = 43,185,650.31 × 9,621,190.50
  4. Step 4: Simplify right side
    28,790,433.45x = 415,497,368,498,894.06
  5. Step 5: Solve for x
    x = 415,497,368,498,894.06/28,790,433.45
  6. Step 6: Final answer
    x = 14,431,785.80

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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.