Home / 5,285,248.20-7,939,682.10-5,143,530.60

Finding the Fourth Proportional to 5,285,248.20, 7,939,682.10 and 5,143,530.60

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Solution

The fourth proportional to 5,285,248.20, 7,939,682.10 and 5,143,530.60 is: 7,726,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285,248.20 : 7,939,682.10 = 5,143,530.60 : x
  2. Step 2: Convert to fraction form
    5,285,248.20/7,939,682.10 = 5,143,530.60/x
  3. Step 3: Cross multiply
    5,285,248.20x = 7,939,682.10 × 5,143,530.60
  4. Step 4: Simplify right side
    5,285,248.20x = 40,837,997,835,622.26
  5. Step 5: Solve for x
    x = 40,837,997,835,622.26/5,285,248.20
  6. Step 6: Final answer
    x = 7,726,789.03

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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.