Finding the Fourth Proportional to 11,874,339.62, 16,388,134.16 and 6,649,337.51
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Solution
The fourth proportional to 11,874,339.62, 16,388,134.16 and 6,649,337.51 is: 9,176,951.20
Step by Step Solution
- Step 1: Write the proportion equation
11,874,339.62 : 16,388,134.16 = 6,649,337.51 : x - Step 2: Convert to fraction form
11,874,339.62/16,388,134.16 = 6,649,337.51/x - Step 3: Cross multiply
11,874,339.62x = 16,388,134.16 × 6,649,337.51 - Step 4: Simplify right side
11,874,339.62x = 108,970,235,189,000.34 - Step 5: Solve for x
x = 108,970,235,189,000.34/11,874,339.62 - Step 6: Final answer
x = 9,176,951.20
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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.