Home / 13,238,530.60-19,876,458.30-8,199,682.60

Finding the Fourth Proportional to 13,238,530.60, 19,876,458.30 and 8,199,682.60

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Solution

The fourth proportional to 13,238,530.60, 19,876,458.30 and 8,199,682.60 is: 12,311,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238,530.60 : 19,876,458.30 = 8,199,682.60 : x
  2. Step 2: Convert to fraction form
    13,238,530.60/19,876,458.30 = 8,199,682.60/x
  3. Step 3: Cross multiply
    13,238,530.60x = 19,876,458.30 × 8,199,682.60
  4. Step 4: Simplify right side
    13,238,530.60x = 162,980,649,272,135.59
  5. Step 5: Solve for x
    x = 162,980,649,272,135.59/13,238,530.60
  6. Step 6: Final answer
    x = 12,311,083.02

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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.