Finding the Fourth Proportional to 10,284,322.66, 14,192,057.68 and 5,637,948.92
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Solution
The fourth proportional to 10,284,322.66, 14,192,057.68 and 5,637,948.92 is: 7,780,200.88
Step by Step Solution
- Step 1: Write the proportion equation
10,284,322.66 : 14,192,057.68 = 5,637,948.92 : x - Step 2: Convert to fraction form
10,284,322.66/14,192,057.68 = 5,637,948.92/x - Step 3: Cross multiply
10,284,322.66x = 14,192,057.68 × 5,637,948.92 - Step 4: Simplify right side
10,284,322.66x = 80,014,096,184,478.55 - Step 5: Solve for x
x = 80,014,096,184,478.55/10,284,322.66 - Step 6: Final answer
x = 7,780,200.88
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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.