Finding the Fourth Proportional to 10,207,402.45, 14,086,207.64 and 5,623,723.82
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Solution
The fourth proportional to 10,207,402.45, 14,086,207.64 and 5,623,723.82 is: 7,760,734.61
Step by Step Solution
- Step 1: Write the proportion equation
10,207,402.45 : 14,086,207.64 = 5,623,723.82 : x - Step 2: Convert to fraction form
10,207,402.45/14,086,207.64 = 5,623,723.82/x - Step 3: Cross multiply
10,207,402.45x = 14,086,207.64 × 5,623,723.82 - Step 4: Simplify right side
10,207,402.45x = 79,216,941,410,415.38 - Step 5: Solve for x
x = 79,216,941,410,415.38/10,207,402.45 - Step 6: Final answer
x = 7,760,734.61
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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.