Finding the Fourth Proportional to 13,566,748.70, 20,353,270.74 and 4,468,519.82
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Solution
The fourth proportional to 13,566,748.70, 20,353,270.74 and 4,468,519.82 is: 6,703,816.49
Step by Step Solution
- Step 1: Write the proportion equation
13,566,748.70 : 20,353,270.74 = 4,468,519.82 : x - Step 2: Convert to fraction form
13,566,748.70/20,353,270.74 = 4,468,519.82/x - Step 3: Cross multiply
13,566,748.70x = 20,353,270.74 × 4,468,519.82 - Step 4: Simplify right side
13,566,748.70x = 90,948,993,703,516.06 - Step 5: Solve for x
x = 90,948,993,703,516.06/13,566,748.70 - Step 6: Final answer
x = 6,703,816.49
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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.