Finding the Fourth Proportional to 10,174,331.80, 15,261,497.70 and 2,600,896.60
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Solution
The fourth proportional to 10,174,331.80, 15,261,497.70 and 2,600,896.60 is: 3,901,344.90
Step by Step Solution
- Step 1: Write the proportion equation
10,174,331.80 : 15,261,497.70 = 2,600,896.60 : x - Step 2: Convert to fraction form
10,174,331.80/15,261,497.70 = 2,600,896.60/x - Step 3: Cross multiply
10,174,331.80x = 15,261,497.70 × 2,600,896.60 - Step 4: Simplify right side
10,174,331.80x = 39,693,577,478,837.82 - Step 5: Solve for x
x = 39,693,577,478,837.82/10,174,331.80 - Step 6: Final answer
x = 3,901,344.90
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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.