Finding the Fourth Proportional to 7,660,421.84, 11,492,313.60 and 2,269,493.84
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Solution
The fourth proportional to 7,660,421.84, 11,492,313.60 and 2,269,493.84 is: 3,404,738.73
Step by Step Solution
- Step 1: Write the proportion equation
7,660,421.84 : 11,492,313.60 = 2,269,493.84 : x - Step 2: Convert to fraction form
7,660,421.84/11,492,313.60 = 2,269,493.84/x - Step 3: Cross multiply
7,660,421.84x = 11,492,313.60 × 2,269,493.84 - Step 4: Simplify right side
7,660,421.84x = 26,081,734,922,548.22 - Step 5: Solve for x
x = 26,081,734,922,548.22/7,660,421.84 - Step 6: Final answer
x = 3,404,738.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.