Finding the Fourth Proportional to 11,330,139.68, 16,983,107.81 and 6,461,965.16
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Solution
The fourth proportional to 11,330,139.68, 16,983,107.81 and 6,461,965.16 is: 9,686,045.72
Step by Step Solution
- Step 1: Write the proportion equation
11,330,139.68 : 16,983,107.81 = 6,461,965.16 : x - Step 2: Convert to fraction form
11,330,139.68/16,983,107.81 = 6,461,965.16/x - Step 3: Cross multiply
11,330,139.68x = 16,983,107.81 × 6,461,965.16 - Step 4: Simplify right side
11,330,139.68x = 109,744,250,976,743.89 - Step 5: Solve for x
x = 109,744,250,976,743.89/11,330,139.68 - Step 6: Final answer
x = 9,686,045.72
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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.