Home / 13,709,124.41-20,589,299.63-12,068,383.36

Finding the Fourth Proportional to 13,709,124.41, 20,589,299.63 and 12,068,383.36

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Solution

The fourth proportional to 13,709,124.41, 20,589,299.63 and 12,068,383.36 is: 18,125,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,124.41 : 20,589,299.63 = 12,068,383.36 : x
  2. Step 2: Convert to fraction form
    13,709,124.41/20,589,299.63 = 12,068,383.36/x
  3. Step 3: Cross multiply
    13,709,124.41x = 20,589,299.63 × 12,068,383.36
  4. Step 4: Simplify right side
    13,709,124.41x = 248,479,561,146,594.72
  5. Step 5: Solve for x
    x = 248,479,561,146,594.72/13,709,124.41
  6. Step 6: Final answer
    x = 18,125,122.63

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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.