Finding the Fourth Proportional to 8,532,951.36, 11,775,473.88 and 4,665,475.20
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Solution
The fourth proportional to 8,532,951.36, 11,775,473.88 and 4,665,475.20 is: 6,438,356.32
Step by Step Solution
- Step 1: Write the proportion equation
8,532,951.36 : 11,775,473.88 = 4,665,475.20 : x - Step 2: Convert to fraction form
8,532,951.36/11,775,473.88 = 4,665,475.20/x - Step 3: Cross multiply
8,532,951.36x = 11,775,473.88 × 4,665,475.20 - Step 4: Simplify right side
8,532,951.36x = 54,938,181,355,387.78 - Step 5: Solve for x
x = 54,938,181,355,387.78/8,532,951.36 - Step 6: Final answer
x = 6,438,356.32
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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.