Home / 14,245,675.20-21,368,512.80-5,152,129.20

Finding the Fourth Proportional to 14,245,675.20, 21,368,512.80 and 5,152,129.20

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Solution

The fourth proportional to 14,245,675.20, 21,368,512.80 and 5,152,129.20 is: 7,728,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245,675.20 : 21,368,512.80 = 5,152,129.20 : x
  2. Step 2: Convert to fraction form
    14,245,675.20/21,368,512.80 = 5,152,129.20/x
  3. Step 3: Cross multiply
    14,245,675.20x = 21,368,512.80 × 5,152,129.20
  4. Step 4: Simplify right side
    14,245,675.20x = 110,093,338,757,453.77
  5. Step 5: Solve for x
    x = 110,093,338,757,453.77/14,245,675.20
  6. Step 6: Final answer
    x = 7,728,193.80

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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.