Finding the Fourth Proportional to 10,670,128.11, 16,008,188.36 and 4,284,864.09
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Solution
The fourth proportional to 10,670,128.11, 16,008,188.36 and 4,284,864.09 is: 6,428,499.33
Step by Step Solution
- Step 1: Write the proportion equation
10,670,128.11 : 16,008,188.36 = 4,284,864.09 : x - Step 2: Convert to fraction form
10,670,128.11/16,008,188.36 = 4,284,864.09/x - Step 3: Cross multiply
10,670,128.11x = 16,008,188.36 × 4,284,864.09 - Step 4: Simplify right side
10,670,128.11x = 68,592,911,428,295.67 - Step 5: Solve for x
x = 68,592,911,428,295.67/10,670,128.11 - Step 6: Final answer
x = 6,428,499.33
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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.