Finding the Fourth Proportional to 18,455,376.80, 27,674,770.80 and 7,092,048.80
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Solution
The fourth proportional to 18,455,376.80, 27,674,770.80 and 7,092,048.80 is: 10,634,885.82
Step by Step Solution
- Step 1: Write the proportion equation
18,455,376.80 : 27,674,770.80 = 7,092,048.80 : x - Step 2: Convert to fraction form
18,455,376.80/27,674,770.80 = 7,092,048.80/x - Step 3: Cross multiply
18,455,376.80x = 27,674,770.80 × 7,092,048.80 - Step 4: Simplify right side
18,455,376.80x = 196,270,825,042,415.03 - Step 5: Solve for x
x = 196,270,825,042,415.03/18,455,376.80 - Step 6: Final answer
x = 10,634,885.82
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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.