Finding the Fourth Proportional to 8,436,192.63, 11,629,404.69 and 6,622,207.35
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Solution
The fourth proportional to 8,436,192.63, 11,629,404.69 and 6,622,207.35 is: 9,128,801.65
Step by Step Solution
- Step 1: Write the proportion equation
8,436,192.63 : 11,629,404.69 = 6,622,207.35 : x - Step 2: Convert to fraction form
8,436,192.63/11,629,404.69 = 6,622,207.35/x - Step 3: Cross multiply
8,436,192.63x = 11,629,404.69 × 6,622,207.35 - Step 4: Simplify right side
8,436,192.63x = 77,012,329,214,242.47 - Step 5: Solve for x
x = 77,012,329,214,242.47/8,436,192.63 - Step 6: Final answer
x = 9,128,801.65
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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.