Home / 11,008,429.60-16,459,500.30-8,138,648.20

Finding the Fourth Proportional to 11,008,429.60, 16,459,500.30 and 8,138,648.20

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Solution

The fourth proportional to 11,008,429.60, 16,459,500.30 and 8,138,648.20 is: 12,168,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008,429.60 : 16,459,500.30 = 8,138,648.20 : x
  2. Step 2: Convert to fraction form
    11,008,429.60/16,459,500.30 = 8,138,648.20/x
  3. Step 3: Cross multiply
    11,008,429.60x = 16,459,500.30 × 8,138,648.20
  4. Step 4: Simplify right side
    11,008,429.60x = 133,958,082,489,494.47
  5. Step 5: Solve for x
    x = 133,958,082,489,494.47/11,008,429.60
  6. Step 6: Final answer
    x = 12,168,682.31

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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.