Finding the Fourth Proportional to 16,898,906.72, 23,320,497.46 and 9,163,946.99
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Solution
The fourth proportional to 16,898,906.72, 23,320,497.46 and 9,163,946.99 is: 12,646,250.20
Step by Step Solution
- Step 1: Write the proportion equation
16,898,906.72 : 23,320,497.46 = 9,163,946.99 : x - Step 2: Convert to fraction form
16,898,906.72/23,320,497.46 = 9,163,946.99/x - Step 3: Cross multiply
16,898,906.72x = 23,320,497.46 × 9,163,946.99 - Step 4: Simplify right side
16,898,906.72x = 213,707,802,503,869.66 - Step 5: Solve for x
x = 213,707,802,503,869.66/16,898,906.72 - Step 6: Final answer
x = 12,646,250.20
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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.