Finding the Fourth Proportional to 10,835,958.75, 16,232,279.99 and 6,515,643.46
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Solution
The fourth proportional to 10,835,958.75, 16,232,279.99 and 6,515,643.46 is: 9,760,442.18
Step by Step Solution
- Step 1: Write the proportion equation
10,835,958.75 : 16,232,279.99 = 6,515,643.46 : x - Step 2: Convert to fraction form
10,835,958.75/16,232,279.99 = 6,515,643.46/x - Step 3: Cross multiply
10,835,958.75x = 16,232,279.99 × 6,515,643.46 - Step 4: Simplify right side
10,835,958.75x = 105,763,748,884,573.44 - Step 5: Solve for x
x = 105,763,748,884,573.44/10,835,958.75 - Step 6: Final answer
x = 9,760,442.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.