Home / 12,786,090.60-19,179,135.90-8,008,516.20

Finding the Fourth Proportional to 12,786,090.60, 19,179,135.90 and 8,008,516.20

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Solution

The fourth proportional to 12,786,090.60, 19,179,135.90 and 8,008,516.20 is: 12,012,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,090.60 : 19,179,135.90 = 8,008,516.20 : x
  2. Step 2: Convert to fraction form
    12,786,090.60/19,179,135.90 = 8,008,516.20/x
  3. Step 3: Cross multiply
    12,786,090.60x = 19,179,135.90 × 8,008,516.20
  4. Step 4: Simplify right side
    12,786,090.60x = 153,596,420,557,151.56
  5. Step 5: Solve for x
    x = 153,596,420,557,151.56/12,786,090.60
  6. Step 6: Final answer
    x = 12,012,774.30

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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.