Finding the Fourth Proportional to 11,508,896, 15,882,276.48 and 6,421,664
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Solution
The fourth proportional to 11,508,896, 15,882,276.48 and 6,421,664 is: 8,861,896.32
Step by Step Solution
- Step 1: Write the proportion equation
11,508,896 : 15,882,276.48 = 6,421,664 : x - Step 2: Convert to fraction form
11,508,896/15,882,276.48 = 6,421,664/x - Step 3: Cross multiply
11,508,896x = 15,882,276.48 × 6,421,664 - Step 4: Simplify right side
11,508,896x = 101,990,643,109,662.72 - Step 5: Solve for x
x = 101,990,643,109,662.72/11,508,896 - Step 6: Final answer
x = 8,861,896.32
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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.