Finding the Fourth Proportional to 11,165,517.80, 16,748,276.70 and 10,693,125.80
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Solution
The fourth proportional to 11,165,517.80, 16,748,276.70 and 10,693,125.80 is: 16,039,688.70
Step by Step Solution
- Step 1: Write the proportion equation
11,165,517.80 : 16,748,276.70 = 10,693,125.80 : x - Step 2: Convert to fraction form
11,165,517.80/16,748,276.70 = 10,693,125.80/x - Step 3: Cross multiply
11,165,517.80x = 16,748,276.70 × 10,693,125.80 - Step 4: Simplify right side
11,165,517.80x = 179,091,429,686,308.88 - Step 5: Solve for x
x = 179,091,429,686,308.88/11,165,517.80 - Step 6: Final answer
x = 16,039,688.70
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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.