Finding the Fourth Proportional to 18,682,545.11, 27,986,301.27 and 9,306,459.09
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Solution
The fourth proportional to 18,682,545.11, 27,986,301.27 and 9,306,459.09 is: 13,941,000.35
Step by Step Solution
- Step 1: Write the proportion equation
18,682,545.11 : 27,986,301.27 = 9,306,459.09 : x - Step 2: Convert to fraction form
18,682,545.11/27,986,301.27 = 9,306,459.09/x - Step 3: Cross multiply
18,682,545.11x = 27,986,301.27 × 9,306,459.09 - Step 4: Simplify right side
18,682,545.11x = 260,453,367,849,670.03 - Step 5: Solve for x
x = 260,453,367,849,670.03/18,682,545.11 - Step 6: Final answer
x = 13,941,000.35
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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.