Finding the Fourth Proportional to 9,986,446.13, 13,728,392.92 and 8,585,847.94
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Solution
The fourth proportional to 9,986,446.13, 13,728,392.92 and 8,585,847.94 is: 11,802,987.02
Step by Step Solution
- Step 1: Write the proportion equation
9,986,446.13 : 13,728,392.92 = 8,585,847.94 : x - Step 2: Convert to fraction form
9,986,446.13/13,728,392.92 = 8,585,847.94/x - Step 3: Cross multiply
9,986,446.13x = 13,728,392.92 × 8,585,847.94 - Step 4: Simplify right side
9,986,446.13x = 117,869,894,071,692.58 - Step 5: Solve for x
x = 117,869,894,071,692.58/9,986,446.13 - Step 6: Final answer
x = 11,802,987.02
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.