Home / 16,689,770.45-23,019,217.89-14,621,194.79

Finding the Fourth Proportional to 16,689,770.45, 23,019,217.89 and 14,621,194.79

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Solution

The fourth proportional to 16,689,770.45, 23,019,217.89 and 14,621,194.79 is: 20,166,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,689,770.45 : 23,019,217.89 = 14,621,194.79 : x
  2. Step 2: Convert to fraction form
    16,689,770.45/23,019,217.89 = 14,621,194.79/x
  3. Step 3: Cross multiply
    16,689,770.45x = 23,019,217.89 × 14,621,194.79
  4. Step 4: Simplify right side
    16,689,770.45x = 336,568,468,683,142.75
  5. Step 5: Solve for x
    x = 336,568,468,683,142.75/16,689,770.45
  6. Step 6: Final answer
    x = 20,166,153.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.