Finding the Fourth Proportional to 11,000,286.05, 15,180,280.40 and 6,105,550.82
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Solution
The fourth proportional to 11,000,286.05, 15,180,280.40 and 6,105,550.82 is: 8,425,596.66
Step by Step Solution
- Step 1: Write the proportion equation
11,000,286.05 : 15,180,280.40 = 6,105,550.82 : x - Step 2: Convert to fraction form
11,000,286.05/15,180,280.40 = 6,105,550.82/x - Step 3: Cross multiply
11,000,286.05x = 15,180,280.40 × 6,105,550.82 - Step 4: Simplify right side
11,000,286.05x = 92,683,973,383,412.41 - Step 5: Solve for x
x = 92,683,973,383,412.41/11,000,286.05 - Step 6: Final answer
x = 8,425,596.66
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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.