Finding the Fourth Proportional to 19,211,691.42, 26,512,343.37 and 10,509,677.19
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Solution
The fourth proportional to 19,211,691.42, 26,512,343.37 and 10,509,677.19 is: 14,503,468.97
Step by Step Solution
- Step 1: Write the proportion equation
19,211,691.42 : 26,512,343.37 = 10,509,677.19 : x - Step 2: Convert to fraction form
19,211,691.42/26,512,343.37 = 10,509,677.19/x - Step 3: Cross multiply
19,211,691.42x = 26,512,343.37 × 10,509,677.19 - Step 4: Simplify right side
19,211,691.42x = 278,636,170,369,136.72 - Step 5: Solve for x
x = 278,636,170,369,136.72/19,211,691.42 - Step 6: Final answer
x = 14,503,468.97
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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.