Home / 13,636,311.72-20,449,151.74-5,111,997

Finding the Fourth Proportional to 13,636,311.72, 20,449,151.74 and 5,111,997

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Solution

The fourth proportional to 13,636,311.72, 20,449,151.74 and 5,111,997 is: 7,666,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636,311.72 : 20,449,151.74 = 5,111,997 : x
  2. Step 2: Convert to fraction form
    13,636,311.72/20,449,151.74 = 5,111,997/x
  3. Step 3: Cross multiply
    13,636,311.72x = 20,449,151.74 × 5,111,997
  4. Step 4: Simplify right side
    13,636,311.72x = 104,536,002,347,424.77
  5. Step 5: Solve for x
    x = 104,536,002,347,424.77/13,636,311.72
  6. Step 6: Final answer
    x = 7,666,002.69

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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.