Finding the Fourth Proportional to 14,093,700.48, 19,448,990.40 and 8,212,970.88
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Solution
The fourth proportional to 14,093,700.48, 19,448,990.40 and 8,212,970.88 is: 11,333,715.52
Step by Step Solution
- Step 1: Write the proportion equation
14,093,700.48 : 19,448,990.40 = 8,212,970.88 : x - Step 2: Convert to fraction form
14,093,700.48/19,448,990.40 = 8,212,970.88/x - Step 3: Cross multiply
14,093,700.48x = 19,448,990.40 × 8,212,970.88 - Step 4: Simplify right side
14,093,700.48x = 159,733,991,800,599.53 - Step 5: Solve for x
x = 159,733,991,800,599.53/14,093,700.48 - Step 6: Final answer
x = 11,333,715.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.