Finding the Fourth Proportional to 11,386,121.40, 17,073,277.20 and 4,193,953.20
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Solution
The fourth proportional to 11,386,121.40, 17,073,277.20 and 4,193,953.20 is: 6,288,754.79
Step by Step Solution
- Step 1: Write the proportion equation
11,386,121.40 : 17,073,277.20 = 4,193,953.20 : x - Step 2: Convert to fraction form
11,386,121.40/17,073,277.20 = 4,193,953.20/x - Step 3: Cross multiply
11,386,121.40x = 17,073,277.20 × 4,193,953.20 - Step 4: Simplify right side
11,386,121.40x = 71,604,525,547,427.05 - Step 5: Solve for x
x = 71,604,525,547,427.05/11,386,121.40 - Step 6: Final answer
x = 6,288,754.79
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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.