Finding the Fourth Proportional to 7,186,094.42, 9,891,639.41 and 6,266,701.49
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Solution
The fourth proportional to 7,186,094.42, 9,891,639.41 and 6,266,701.49 is: 8,626,097.54
Step by Step Solution
- Step 1: Write the proportion equation
7,186,094.42 : 9,891,639.41 = 6,266,701.49 : x - Step 2: Convert to fraction form
7,186,094.42/9,891,639.41 = 6,266,701.49/x - Step 3: Cross multiply
7,186,094.42x = 9,891,639.41 × 6,266,701.49 - Step 4: Simplify right side
7,186,094.42x = 61,987,951,348,398.02 - Step 5: Solve for x
x = 61,987,951,348,398.02/7,186,094.42 - Step 6: Final answer
x = 8,626,097.54
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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.