Finding the Fourth Proportional to 8,446,817.54, 11,666,230.99 and 5,725,839.62
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Solution
The fourth proportional to 8,446,817.54, 11,666,230.99 and 5,725,839.62 is: 7,908,181.67
Step by Step Solution
- Step 1: Write the proportion equation
8,446,817.54 : 11,666,230.99 = 5,725,839.62 : x - Step 2: Convert to fraction form
8,446,817.54/11,666,230.99 = 5,725,839.62/x - Step 3: Cross multiply
8,446,817.54x = 11,666,230.99 × 5,725,839.62 - Step 4: Simplify right side
8,446,817.54x = 66,798,967,633,464.80 - Step 5: Solve for x
x = 66,798,967,633,464.80/8,446,817.54 - Step 6: Final answer
x = 7,908,181.67
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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.