Home / 12,621,928.69-18,932,892.10-3,037,308.24

Finding the Fourth Proportional to 12,621,928.69, 18,932,892.10 and 3,037,308.24

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Solution

The fourth proportional to 12,621,928.69, 18,932,892.10 and 3,037,308.24 is: 4,555,962.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,928.69 : 18,932,892.10 = 3,037,308.24 : x
  2. Step 2: Convert to fraction form
    12,621,928.69/18,932,892.10 = 3,037,308.24/x
  3. Step 3: Cross multiply
    12,621,928.69x = 18,932,892.10 × 3,037,308.24
  4. Step 4: Simplify right side
    12,621,928.69x = 57,505,029,182,360.91
  5. Step 5: Solve for x
    x = 57,505,029,182,360.91/12,621,928.69
  6. Step 6: Final answer
    x = 4,555,962.14

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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.