Finding the Fourth Proportional to 14,467,738.30, 21,788,214.01 and 13,176,336.67
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Solution
The fourth proportional to 14,467,738.30, 21,788,214.01 and 13,176,336.67 is: 19,843,380.99
Step by Step Solution
- Step 1: Write the proportion equation
14,467,738.30 : 21,788,214.01 = 13,176,336.67 : x - Step 2: Convert to fraction form
14,467,738.30/21,788,214.01 = 13,176,336.67/x - Step 3: Cross multiply
14,467,738.30x = 21,788,214.01 × 13,176,336.67 - Step 4: Simplify right side
14,467,738.30x = 287,088,843,146,359.38 - Step 5: Solve for x
x = 287,088,843,146,359.38/14,467,738.30 - Step 6: Final answer
x = 19,843,380.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.