Home / 12,664,948.82-18,997,242.80-3,080,344.77

Finding the Fourth Proportional to 12,664,948.82, 18,997,242.80 and 3,080,344.77

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Solution

The fourth proportional to 12,664,948.82, 18,997,242.80 and 3,080,344.77 is: 4,620,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664,948.82 : 18,997,242.80 = 3,080,344.77 : x
  2. Step 2: Convert to fraction form
    12,664,948.82/18,997,242.80 = 3,080,344.77/x
  3. Step 3: Cross multiply
    12,664,948.82x = 18,997,242.80 × 3,080,344.77
  4. Step 4: Simplify right side
    12,664,948.82x = 58,518,057,487,998.44
  5. Step 5: Solve for x
    x = 58,518,057,487,998.44/12,664,948.82
  6. Step 6: Final answer
    x = 4,620,473.27

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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.