Home / 18,815,827.34-28,223,745.87-5,352,655.34

Finding the Fourth Proportional to 18,815,827.34, 28,223,745.87 and 5,352,655.34

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Solution

The fourth proportional to 18,815,827.34, 28,223,745.87 and 5,352,655.34 is: 8,028,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815,827.34 : 28,223,745.87 = 5,352,655.34 : x
  2. Step 2: Convert to fraction form
    18,815,827.34/28,223,745.87 = 5,352,655.34/x
  3. Step 3: Cross multiply
    18,815,827.34x = 28,223,745.87 × 5,352,655.34
  4. Step 4: Simplify right side
    18,815,827.34x = 151,071,984,045,858.44
  5. Step 5: Solve for x
    x = 151,071,984,045,858.44/18,815,827.34
  6. Step 6: Final answer
    x = 8,028,984.39

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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.