Finding the Fourth Proportional to 18,988,281.26, 26,203,723.16 and 10,286,623.79
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Solution
The fourth proportional to 18,988,281.26, 26,203,723.16 and 10,286,623.79 is: 14,195,483.96
Step by Step Solution
- Step 1: Write the proportion equation
18,988,281.26 : 26,203,723.16 = 10,286,623.79 : x - Step 2: Convert to fraction form
18,988,281.26/26,203,723.16 = 10,286,623.79/x - Step 3: Cross multiply
18,988,281.26x = 26,203,723.16 × 10,286,623.79 - Step 4: Simplify right side
18,988,281.26x = 269,547,841,960,042.22 - Step 5: Solve for x
x = 269,547,841,960,042.22/18,988,281.26 - Step 6: Final answer
x = 14,195,483.96
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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.