Finding the Fourth Proportional to 25,373,716.68, 35,015,763.12 and 13,771,279.92
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Solution
The fourth proportional to 25,373,716.68, 35,015,763.12 and 13,771,279.92 is: 19,004,384.80
Step by Step Solution
- Step 1: Write the proportion equation
25,373,716.68 : 35,015,763.12 = 13,771,279.92 : x - Step 2: Convert to fraction form
25,373,716.68/35,015,763.12 = 13,771,279.92/x - Step 3: Cross multiply
25,373,716.68x = 35,015,763.12 × 13,771,279.92 - Step 4: Simplify right side
25,373,716.68x = 482,211,875,537,932.50 - Step 5: Solve for x
x = 482,211,875,537,932.50/25,373,716.68 - Step 6: Final answer
x = 19,004,384.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.