Finding the Fourth Proportional to 18,986,497.81, 26,201,492.79 and 10,284,670.42
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Solution
The fourth proportional to 18,986,497.81, 26,201,492.79 and 10,284,670.42 is: 14,192,913.33
Step by Step Solution
- Step 1: Write the proportion equation
18,986,497.81 : 26,201,492.79 = 10,284,670.42 : x - Step 2: Convert to fraction form
18,986,497.81/26,201,492.79 = 10,284,670.42/x - Step 3: Cross multiply
18,986,497.81x = 26,201,492.79 × 10,284,670.42 - Step 4: Simplify right side
18,986,497.81x = 269,473,717,857,156.25 - Step 5: Solve for x
x = 269,473,717,857,156.25/18,986,497.81 - Step 6: Final answer
x = 14,192,913.33
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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.