Home / 13,836,415.70-20,698,636.35-12,156,799.70

Finding the Fourth Proportional to 13,836,415.70, 20,698,636.35 and 12,156,799.70

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Solution

The fourth proportional to 13,836,415.70, 20,698,636.35 and 12,156,799.70 is: 18,186,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836,415.70 : 20,698,636.35 = 12,156,799.70 : x
  2. Step 2: Convert to fraction form
    13,836,415.70/20,698,636.35 = 12,156,799.70/x
  3. Step 3: Cross multiply
    13,836,415.70x = 20,698,636.35 × 12,156,799.70
  4. Step 4: Simplify right side
    13,836,415.70x = 251,629,176,170,089.09
  5. Step 5: Solve for x
    x = 251,629,176,170,089.09/13,836,415.70
  6. Step 6: Final answer
    x = 18,186,008.69

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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.