Finding the Fourth Proportional to 9,266,376.96, 12,787,591.20 and 5,192,025.12
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Solution
The fourth proportional to 9,266,376.96, 12,787,591.20 and 5,192,025.12 is: 7,164,989.62
Step by Step Solution
- Step 1: Write the proportion equation
9,266,376.96 : 12,787,591.20 = 5,192,025.12 : x - Step 2: Convert to fraction form
9,266,376.96/12,787,591.20 = 5,192,025.12/x - Step 3: Cross multiply
9,266,376.96x = 12,787,591.20 × 5,192,025.12 - Step 4: Simplify right side
9,266,376.96x = 66,393,494,734,690.95 - Step 5: Solve for x
x = 66,393,494,734,690.95/9,266,376.96 - Step 6: Final answer
x = 7,164,989.62
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1.5x scale
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.