Finding the Fourth Proportional to 8,126,515.52, 11,215,724.64 and 4,688,694.08
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Solution
The fourth proportional to 8,126,515.52, 11,215,724.64 and 4,688,694.08 is: 6,471,051.66
Step by Step Solution
- Step 1: Write the proportion equation
8,126,515.52 : 11,215,724.64 = 4,688,694.08 : x - Step 2: Convert to fraction form
8,126,515.52/11,215,724.64 = 4,688,694.08/x - Step 3: Cross multiply
8,126,515.52x = 11,215,724.64 × 4,688,694.08 - Step 4: Simplify right side
8,126,515.52x = 52,587,101,722,478.13 - Step 5: Solve for x
x = 52,587,101,722,478.13/8,126,515.52 - Step 6: Final answer
x = 6,471,051.66
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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.