Home / 12,621,929.19-18,932,892.86-3,037,308.74

Finding the Fourth Proportional to 12,621,929.19, 18,932,892.86 and 3,037,308.74

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Solution

The fourth proportional to 12,621,929.19, 18,932,892.86 and 3,037,308.74 is: 4,555,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,929.19 : 18,932,892.86 = 3,037,308.74 : x
  2. Step 2: Convert to fraction form
    12,621,929.19/18,932,892.86 = 3,037,308.74/x
  3. Step 3: Cross multiply
    12,621,929.19x = 18,932,892.86 × 3,037,308.74
  4. Step 4: Simplify right side
    12,621,929.19x = 57,505,040,847,310.59
  5. Step 5: Solve for x
    x = 57,505,040,847,310.59/12,621,929.19
  6. Step 6: Final answer
    x = 4,555,962.88

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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.