Finding the Fourth Proportional to 13,021,462.19, 17,965,527.57 and 7,514,113.70
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Solution
The fourth proportional to 13,021,462.19, 17,965,527.57 and 7,514,113.70 is: 10,367,116.60
Step by Step Solution
- Step 1: Write the proportion equation
13,021,462.19 : 17,965,527.57 = 7,514,113.70 : x - Step 2: Convert to fraction form
13,021,462.19/17,965,527.57 = 7,514,113.70/x - Step 3: Cross multiply
13,021,462.19x = 17,965,527.57 × 7,514,113.70 - Step 4: Simplify right side
13,021,462.19x = 134,995,016,886,378.53 - Step 5: Solve for x
x = 134,995,016,886,378.53/13,021,462.19 - Step 6: Final answer
x = 10,367,116.60
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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.