Finding the Fourth Proportional to 27,324,988.69, 40,981,437.04 and 7,889,996.05
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Solution
The fourth proportional to 27,324,988.69, 40,981,437.04 and 7,889,996.05 is: 11,833,248.31
Step by Step Solution
- Step 1: Write the proportion equation
27,324,988.69 : 40,981,437.04 = 7,889,996.05 : x - Step 2: Convert to fraction form
27,324,988.69/40,981,437.04 = 7,889,996.05/x - Step 3: Cross multiply
27,324,988.69x = 40,981,437.04 × 7,889,996.05 - Step 4: Simplify right side
27,324,988.69x = 323,343,376,226,113.25 - Step 5: Solve for x
x = 323,343,376,226,113.25/27,324,988.69 - Step 6: Final answer
x = 11,833,248.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.