Finding the Fourth Proportional to 12,226,637.91, 18,338,832.39 and 4,138,689.09
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Solution
The fourth proportional to 12,226,637.91, 18,338,832.39 and 4,138,689.09 is: 6,207,653.01
Step by Step Solution
- Step 1: Write the proportion equation
12,226,637.91 : 18,338,832.39 = 4,138,689.09 : x - Step 2: Convert to fraction form
12,226,637.91/18,338,832.39 = 4,138,689.09/x - Step 3: Cross multiply
12,226,637.91x = 18,338,832.39 × 4,138,689.09 - Step 4: Simplify right side
12,226,637.91x = 75,898,725,596,842.20 - Step 5: Solve for x
x = 75,898,725,596,842.20/12,226,637.91 - Step 6: Final answer
x = 6,207,653.01
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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.