Finding the Fourth Proportional to 7,186,367.66, 9,917,337.44 and 3,923,319.92
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Solution
The fourth proportional to 7,186,367.66, 9,917,337.44 and 3,923,319.92 is: 5,414,263.42
Step by Step Solution
- Step 1: Write the proportion equation
7,186,367.66 : 9,917,337.44 = 3,923,319.92 : x - Step 2: Convert to fraction form
7,186,367.66/9,917,337.44 = 3,923,319.92/x - Step 3: Cross multiply
7,186,367.66x = 9,917,337.44 × 3,923,319.92 - Step 4: Simplify right side
7,186,367.66x = 38,908,887,491,935.42 - Step 5: Solve for x
x = 38,908,887,491,935.42/7,186,367.66 - Step 6: Final answer
x = 5,414,263.42
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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.