Home / 13,916,046.20-20,916,059.70-12,068,468.60

Finding the Fourth Proportional to 13,916,046.20, 20,916,059.70 and 12,068,468.60

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Solution

The fourth proportional to 13,916,046.20, 20,916,059.70 and 12,068,468.60 is: 18,139,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916,046.20 : 20,916,059.70 = 12,068,468.60 : x
  2. Step 2: Convert to fraction form
    13,916,046.20/20,916,059.70 = 12,068,468.60/x
  3. Step 3: Cross multiply
    13,916,046.20x = 20,916,059.70 × 12,068,468.60
  4. Step 4: Simplify right side
    13,916,046.20x = 252,424,809,725,175.41
  5. Step 5: Solve for x
    x = 252,424,809,725,175.41/13,916,046.20
  6. Step 6: Final answer
    x = 18,139,118.40

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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.