Home / 12,933,213.25-19,368,305.60-8,553,684.46

Finding the Fourth Proportional to 12,933,213.25, 19,368,305.60 and 8,553,684.46

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Solution

The fourth proportional to 12,933,213.25, 19,368,305.60 and 8,553,684.46 is: 12,809,683.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933,213.25 : 19,368,305.60 = 8,553,684.46 : x
  2. Step 2: Convert to fraction form
    12,933,213.25/19,368,305.60 = 8,553,684.46/x
  3. Step 3: Cross multiply
    12,933,213.25x = 19,368,305.60 × 8,553,684.46
  4. Step 4: Simplify right side
    12,933,213.25x = 165,670,374,620,491.84
  5. Step 5: Solve for x
    x = 165,670,374,620,491.84/12,933,213.25
  6. Step 6: Final answer
    x = 12,809,683.98

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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.