Finding the Fourth Proportional to 21,402,768.84, 32,104,066.68 and 7,752,720.66
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Solution
The fourth proportional to 21,402,768.84, 32,104,066.68 and 7,752,720.66 is: 11,629,049.63
Step by Step Solution
- Step 1: Write the proportion equation
21,402,768.84 : 32,104,066.68 = 7,752,720.66 : x - Step 2: Convert to fraction form
21,402,768.84/32,104,066.68 = 7,752,720.66/x - Step 3: Cross multiply
21,402,768.84x = 32,104,066.68 × 7,752,720.66 - Step 4: Simplify right side
21,402,768.84x = 248,893,861,020,053.62 - Step 5: Solve for x
x = 248,893,861,020,053.62/21,402,768.84 - Step 6: Final answer
x = 11,629,049.63
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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.