Home / 14,188,338.12-21,282,507.46-3,405,638.96

Finding the Fourth Proportional to 14,188,338.12, 21,282,507.46 and 3,405,638.96

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Solution

The fourth proportional to 14,188,338.12, 21,282,507.46 and 3,405,638.96 is: 5,108,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188,338.12 : 21,282,507.46 = 3,405,638.96 : x
  2. Step 2: Convert to fraction form
    14,188,338.12/21,282,507.46 = 3,405,638.96/x
  3. Step 3: Cross multiply
    14,188,338.12x = 21,282,507.46 × 3,405,638.96
  4. Step 4: Simplify right side
    14,188,338.12x = 72,480,536,616,958.81
  5. Step 5: Solve for x
    x = 72,480,536,616,958.81/14,188,338.12
  6. Step 6: Final answer
    x = 5,108,458.51

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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.