Finding the Fourth Proportional to 14,343,397.08, 19,793,310.57 and 7,816,886.07
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Solution
The fourth proportional to 14,343,397.08, 19,793,310.57 and 7,816,886.07 is: 10,786,988.10
Step by Step Solution
- Step 1: Write the proportion equation
14,343,397.08 : 19,793,310.57 = 7,816,886.07 : x - Step 2: Convert to fraction form
14,343,397.08/19,793,310.57 = 7,816,886.07/x - Step 3: Cross multiply
14,343,397.08x = 19,793,310.57 × 7,816,886.07 - Step 4: Simplify right side
14,343,397.08x = 154,722,053,673,816.78 - Step 5: Solve for x
x = 154,722,053,673,816.78/14,343,397.08 - Step 6: Final answer
x = 10,786,988.10
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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.