Finding the Fourth Proportional to 7,691,433.36, 10,612,998.70 and 4,427,617.26
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Solution
The fourth proportional to 7,691,433.36, 10,612,998.70 and 4,427,617.26 is: 6,109,432.93
Step by Step Solution
- Step 1: Write the proportion equation
7,691,433.36 : 10,612,998.70 = 4,427,617.26 : x - Step 2: Convert to fraction form
7,691,433.36/10,612,998.70 = 4,427,617.26/x - Step 3: Cross multiply
7,691,433.36x = 10,612,998.70 × 4,427,617.26 - Step 4: Simplify right side
7,691,433.36x = 46,990,296,224,477.55 - Step 5: Solve for x
x = 46,990,296,224,477.55/7,691,433.36 - Step 6: Final answer
x = 6,109,432.93
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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.