Finding the Fourth Proportional to 9,486,324.63, 13,091,125.23 and 5,135,407.74
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Solution
The fourth proportional to 9,486,324.63, 13,091,125.23 and 5,135,407.74 is: 7,086,861.19
Step by Step Solution
- Step 1: Write the proportion equation
9,486,324.63 : 13,091,125.23 = 5,135,407.74 : x - Step 2: Convert to fraction form
9,486,324.63/13,091,125.23 = 5,135,407.74/x - Step 3: Cross multiply
9,486,324.63x = 13,091,125.23 × 5,135,407.74 - Step 4: Simplify right side
9,486,324.63x = 67,228,265,831,451.29 - Step 5: Solve for x
x = 67,228,265,831,451.29/9,486,324.63 - Step 6: Final answer
x = 7,086,861.19
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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.