Finding the Fourth Proportional to 14,345,444.79, 19,795,814.76 and 7,906,916.79
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Solution
The fourth proportional to 14,345,444.79, 19,795,814.76 and 7,906,916.79 is: 10,911,049.63
Step by Step Solution
- Step 1: Write the proportion equation
14,345,444.79 : 19,795,814.76 = 7,906,916.79 : x - Step 2: Convert to fraction form
14,345,444.79/19,795,814.76 = 7,906,916.79/x - Step 3: Cross multiply
14,345,444.79x = 19,795,814.76 × 7,906,916.79 - Step 4: Simplify right side
14,345,444.79x = 156,523,860,097,573.84 - Step 5: Solve for x
x = 156,523,860,097,573.84/14,345,444.79 - Step 6: Final answer
x = 10,911,049.63
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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.