Home / 14,239,370.40-21,419,668.32-12,907,593.12

Finding the Fourth Proportional to 14,239,370.40, 21,419,668.32 and 12,907,593.12

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Solution

The fourth proportional to 14,239,370.40, 21,419,668.32 and 12,907,593.12 is: 19,416,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239,370.40 : 21,419,668.32 = 12,907,593.12 : x
  2. Step 2: Convert to fraction form
    14,239,370.40/21,419,668.32 = 12,907,593.12/x
  3. Step 3: Cross multiply
    14,239,370.40x = 21,419,668.32 × 12,907,593.12
  4. Step 4: Simplify right side
    14,239,370.40x = 276,476,363,439,913.94
  5. Step 5: Solve for x
    x = 276,476,363,439,913.94/14,239,370.40
  6. Step 6: Final answer
    x = 19,416,333.42

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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.