Finding the Fourth Proportional to 13,474,013.44, 20,219,024.58 and 4,960,328.62
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Solution
The fourth proportional to 13,474,013.44, 20,219,024.58 and 4,960,328.62 is: 7,443,439.68
Step by Step Solution
- Step 1: Write the proportion equation
13,474,013.44 : 20,219,024.58 = 4,960,328.62 : x - Step 2: Convert to fraction form
13,474,013.44/20,219,024.58 = 4,960,328.62/x - Step 3: Cross multiply
13,474,013.44x = 20,219,024.58 × 4,960,328.62 - Step 4: Simplify right side
13,474,013.44x = 100,293,006,292,657.47 - Step 5: Solve for x
x = 100,293,006,292,657.47/13,474,013.44 - Step 6: Final answer
x = 7,443,439.68
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1.5x scale
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.