Home / 12,621,929.69-18,932,893.60-3,037,309.24

Finding the Fourth Proportional to 12,621,929.69, 18,932,893.60 and 3,037,309.24

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Solution

The fourth proportional to 12,621,929.69, 18,932,893.60 and 3,037,309.24 is: 4,555,963.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,929.69 : 18,932,893.60 = 3,037,309.24 : x
  2. Step 2: Convert to fraction form
    12,621,929.69/18,932,893.60 = 3,037,309.24/x
  3. Step 3: Cross multiply
    12,621,929.69x = 18,932,893.60 × 3,037,309.24
  4. Step 4: Simplify right side
    12,621,929.69x = 57,505,052,671,216.88
  5. Step 5: Solve for x
    x = 57,505,052,671,216.88/12,621,929.69
  6. Step 6: Final answer
    x = 4,555,963.64

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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.