Home / 14,212,350.75-21,318,528.09-3,429,651.60

Finding the Fourth Proportional to 14,212,350.75, 21,318,528.09 and 3,429,651.60

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Solution

The fourth proportional to 14,212,350.75, 21,318,528.09 and 3,429,651.60 is: 5,144,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212,350.75 : 21,318,528.09 = 3,429,651.60 : x
  2. Step 2: Convert to fraction form
    14,212,350.75/21,318,528.09 = 3,429,651.60/x
  3. Step 3: Cross multiply
    14,212,350.75x = 21,318,528.09 × 3,429,651.60
  4. Step 4: Simplify right side
    14,212,350.75x = 73,115,123,973,513.45
  5. Step 5: Solve for x
    x = 73,115,123,973,513.45/14,212,350.75
  6. Step 6: Final answer
    x = 5,144,477.87

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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.