Finding the Fourth Proportional to 8,168,943.36, 11,276,226.36 and 6,422,055.24
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Solution
The fourth proportional to 8,168,943.36, 11,276,226.36 and 6,422,055.24 is: 8,864,861.14
Step by Step Solution
- Step 1: Write the proportion equation
8,168,943.36 : 11,276,226.36 = 6,422,055.24 : x - Step 2: Convert to fraction form
8,168,943.36/11,276,226.36 = 6,422,055.24/x - Step 3: Cross multiply
8,168,943.36x = 11,276,226.36 × 6,422,055.24 - Step 4: Simplify right side
8,168,943.36x = 72,416,548,582,664.12 - Step 5: Solve for x
x = 72,416,548,582,664.12/8,168,943.36 - Step 6: Final answer
x = 8,864,861.14
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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.