Finding the Fourth Proportional to 14,476,892.68, 19,985,868.12 and 11,161,946.80
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Solution
The fourth proportional to 14,476,892.68, 19,985,868.12 and 11,161,946.80 is: 15,409,466.77
Step by Step Solution
- Step 1: Write the proportion equation
14,476,892.68 : 19,985,868.12 = 11,161,946.80 : x - Step 2: Convert to fraction form
14,476,892.68/19,985,868.12 = 11,161,946.80/x - Step 3: Cross multiply
14,476,892.68x = 19,985,868.12 × 11,161,946.80 - Step 4: Simplify right side
14,476,892.68x = 223,081,196,707,256.03 - Step 5: Solve for x
x = 223,081,196,707,256.03/14,476,892.68 - Step 6: Final answer
x = 15,409,466.77
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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.