Finding the Fourth Proportional to 11,486,316.84, 15,850,912.86 and 6,259,370.64
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Solution
The fourth proportional to 11,486,316.84, 15,850,912.86 and 6,259,370.64 is: 8,637,820.11
Step by Step Solution
- Step 1: Write the proportion equation
11,486,316.84 : 15,850,912.86 = 6,259,370.64 : x - Step 2: Convert to fraction form
11,486,316.84/15,850,912.86 = 6,259,370.64/x - Step 3: Cross multiply
11,486,316.84x = 15,850,912.86 × 6,259,370.64 - Step 4: Simplify right side
11,486,316.84x = 99,216,738,573,082.42 - Step 5: Solve for x
x = 99,216,738,573,082.42/11,486,316.84 - Step 6: Final answer
x = 8,637,820.11
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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.