Finding the Fourth Proportional to 21,964,613.70, 30,310,509.99 and 12,041,156.99
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Solution
The fourth proportional to 21,964,613.70, 30,310,509.99 and 12,041,156.99 is: 16,616,436.52
Step by Step Solution
- Step 1: Write the proportion equation
21,964,613.70 : 30,310,509.99 = 12,041,156.99 : x - Step 2: Convert to fraction form
21,964,613.70/30,310,509.99 = 12,041,156.99/x - Step 3: Cross multiply
21,964,613.70x = 30,310,509.99 × 12,041,156.99 - Step 4: Simplify right side
21,964,613.70x = 364,973,609,236,553.31 - Step 5: Solve for x
x = 364,973,609,236,553.31/21,964,613.70 - Step 6: Final answer
x = 16,616,436.52
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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.