Home / 18,893,752.20-28,340,628.30-6,115,548.60

Finding the Fourth Proportional to 18,893,752.20, 28,340,628.30 and 6,115,548.60

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Solution

The fourth proportional to 18,893,752.20, 28,340,628.30 and 6,115,548.60 is: 9,173,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893,752.20 : 28,340,628.30 = 6,115,548.60 : x
  2. Step 2: Convert to fraction form
    18,893,752.20/28,340,628.30 = 6,115,548.60/x
  3. Step 3: Cross multiply
    18,893,752.20x = 28,340,628.30 × 6,115,548.60
  4. Step 4: Simplify right side
    18,893,752.20x = 173,318,489,723,185.38
  5. Step 5: Solve for x
    x = 173,318,489,723,185.38/18,893,752.20
  6. Step 6: Final answer
    x = 9,173,322.90

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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.