Finding the Fourth Proportional to 18,468,886.68, 27,703,330.26 and 5,005,714.68
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Solution
The fourth proportional to 18,468,886.68, 27,703,330.26 and 5,005,714.68 is: 7,508,572.09
Step by Step Solution
- Step 1: Write the proportion equation
18,468,886.68 : 27,703,330.26 = 5,005,714.68 : x - Step 2: Convert to fraction form
18,468,886.68/27,703,330.26 = 5,005,714.68/x - Step 3: Cross multiply
18,468,886.68x = 27,703,330.26 × 5,005,714.68 - Step 4: Simplify right side
18,468,886.68x = 138,674,966,967,370.22 - Step 5: Solve for x
x = 138,674,966,967,370.22/18,468,886.68 - Step 6: Final answer
x = 7,508,572.09
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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.