Home / 13,226,536.82-18,254,612.94-8,072,893.20

Finding the Fourth Proportional to 13,226,536.82, 18,254,612.94 and 8,072,893.20

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Solution

The fourth proportional to 13,226,536.82, 18,254,612.94 and 8,072,893.20 is: 11,141,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226,536.82 : 18,254,612.94 = 8,072,893.20 : x
  2. Step 2: Convert to fraction form
    13,226,536.82/18,254,612.94 = 8,072,893.20/x
  3. Step 3: Cross multiply
    13,226,536.82x = 18,254,612.94 × 8,072,893.20
  4. Step 4: Simplify right side
    13,226,536.82x = 147,367,540,671,958.03
  5. Step 5: Solve for x
    x = 147,367,540,671,958.03/13,226,536.82
  6. Step 6: Final answer
    x = 11,141,808.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.