Finding the Fourth Proportional to 11,133,823.66, 15,364,415.91 and 6,550,439.74
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Solution
The fourth proportional to 11,133,823.66, 15,364,415.91 and 6,550,439.74 is: 9,039,453.44
Step by Step Solution
- Step 1: Write the proportion equation
11,133,823.66 : 15,364,415.91 = 6,550,439.74 : x - Step 2: Convert to fraction form
11,133,823.66/15,364,415.91 = 6,550,439.74/x - Step 3: Cross multiply
11,133,823.66x = 15,364,415.91 × 6,550,439.74 - Step 4: Simplify right side
11,133,823.66x = 100,643,680,558,752.27 - Step 5: Solve for x
x = 100,643,680,558,752.27/11,133,823.66 - Step 6: Final answer
x = 9,039,453.44
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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.