Finding the Fourth Proportional to 18,986,494.19, 26,201,487.77 and 10,284,666.80
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Solution
The fourth proportional to 18,986,494.19, 26,201,487.77 and 10,284,666.80 is: 14,192,908.32
Step by Step Solution
- Step 1: Write the proportion equation
18,986,494.19 : 26,201,487.77 = 10,284,666.80 : x - Step 2: Convert to fraction form
18,986,494.19/26,201,487.77 = 10,284,666.80/x - Step 3: Cross multiply
18,986,494.19x = 26,201,487.77 × 10,284,666.80 - Step 4: Simplify right side
18,986,494.19x = 269,473,571,196,294.28 - Step 5: Solve for x
x = 269,473,571,196,294.28/18,986,494.19 - Step 6: Final answer
x = 14,192,908.32
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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.