Home / 12,456,078.96-18,682,511.28-3,937,276.56

Finding the Fourth Proportional to 12,456,078.96, 18,682,511.28 and 3,937,276.56

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Solution

The fourth proportional to 12,456,078.96, 18,682,511.28 and 3,937,276.56 is: 5,905,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,078.96 : 18,682,511.28 = 3,937,276.56 : x
  2. Step 2: Convert to fraction form
    12,456,078.96/18,682,511.28 = 3,937,276.56/x
  3. Step 3: Cross multiply
    12,456,078.96x = 18,682,511.28 × 3,937,276.56
  4. Step 4: Simplify right side
    12,456,078.96x = 73,558,213,744,679.61
  5. Step 5: Solve for x
    x = 73,558,213,744,679.61/12,456,078.96
  6. Step 6: Final answer
    x = 5,905,406.83

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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.