Finding the Fourth Proportional to 13,473,234.93, 20,209,852.80 and 4,252,141.95
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Solution
The fourth proportional to 13,473,234.93, 20,209,852.80 and 4,252,141.95 is: 6,378,213.06
Step by Step Solution
- Step 1: Write the proportion equation
13,473,234.93 : 20,209,852.80 = 4,252,141.95 : x - Step 2: Convert to fraction form
13,473,234.93/20,209,852.80 = 4,252,141.95/x - Step 3: Cross multiply
13,473,234.93x = 20,209,852.80 × 4,252,141.95 - Step 4: Simplify right side
13,473,234.93x = 85,935,162,985,945.14 - Step 5: Solve for x
x = 85,935,162,985,945.14/13,473,234.93 - Step 6: Final answer
x = 6,378,213.06
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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.