Finding the Fourth Proportional to 9,147,529.80, 13,721,294.70 and 2,415,943.80
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Solution
The fourth proportional to 9,147,529.80, 13,721,294.70 and 2,415,943.80 is: 3,623,915.70
Step by Step Solution
- Step 1: Write the proportion equation
9,147,529.80 : 13,721,294.70 = 2,415,943.80 : x - Step 2: Convert to fraction form
9,147,529.80/13,721,294.70 = 2,415,943.80/x - Step 3: Cross multiply
9,147,529.80x = 13,721,294.70 × 2,415,943.80 - Step 4: Simplify right side
9,147,529.80x = 33,149,876,858,437.86 - Step 5: Solve for x
x = 33,149,876,858,437.86/9,147,529.80 - Step 6: Final answer
x = 3,623,915.70
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1.5x scale
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.