Finding the Fourth Proportional to 11,782,621.44, 16,252,021.44 and 7,645,259.52
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Solution
The fourth proportional to 11,782,621.44, 16,252,021.44 and 7,645,259.52 is: 10,545,269.77
Step by Step Solution
- Step 1: Write the proportion equation
11,782,621.44 : 16,252,021.44 = 7,645,259.52 : x - Step 2: Convert to fraction form
11,782,621.44/16,252,021.44 = 7,645,259.52/x - Step 3: Cross multiply
11,782,621.44x = 16,252,021.44 × 7,645,259.52 - Step 4: Simplify right side
11,782,621.44x = 124,250,921,633,404.09 - Step 5: Solve for x
x = 124,250,921,633,404.09/11,782,621.44 - Step 6: Final answer
x = 10,545,269.77
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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.