Finding the Fourth Proportional to 11,904,742.08, 16,428,463.20 and 6,472,234.08
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Solution
The fourth proportional to 11,904,742.08, 16,428,463.20 and 6,472,234.08 is: 8,931,639.06
Step by Step Solution
- Step 1: Write the proportion equation
11,904,742.08 : 16,428,463.20 = 6,472,234.08 : x - Step 2: Convert to fraction form
11,904,742.08/16,428,463.20 = 6,472,234.08/x - Step 3: Cross multiply
11,904,742.08x = 16,428,463.20 × 6,472,234.08 - Step 4: Simplify right side
11,904,742.08x = 106,328,859,405,065.86 - Step 5: Solve for x
x = 106,328,859,405,065.86/11,904,742.08 - Step 6: Final answer
x = 8,931,639.06
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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.