Finding the Fourth Proportional to 8,974,207.32, 12,383,975.70 and 5,106,366.60
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Solution
The fourth proportional to 8,974,207.32, 12,383,975.70 and 5,106,366.60 is: 7,046,541.01
Step by Step Solution
- Step 1: Write the proportion equation
8,974,207.32 : 12,383,975.70 = 5,106,366.60 : x - Step 2: Convert to fraction form
8,974,207.32/12,383,975.70 = 5,106,366.60/x - Step 3: Cross multiply
8,974,207.32x = 12,383,975.70 × 5,106,366.60 - Step 4: Simplify right side
8,974,207.32x = 63,237,119,889,691.61 - Step 5: Solve for x
x = 63,237,119,889,691.61/8,974,207.32 - Step 6: Final answer
x = 7,046,541.01
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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.