Finding the Fourth Proportional to 10,490,660.68, 14,463,151.68 and 7,865,998.24
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Solution
The fourth proportional to 10,490,660.68, 14,463,151.68 and 7,865,998.24 is: 10,844,610.19
Step by Step Solution
- Step 1: Write the proportion equation
10,490,660.68 : 14,463,151.68 = 7,865,998.24 : x - Step 2: Convert to fraction form
10,490,660.68/14,463,151.68 = 7,865,998.24/x - Step 3: Cross multiply
10,490,660.68x = 14,463,151.68 × 7,865,998.24 - Step 4: Simplify right side
10,490,660.68x = 113,767,125,659,733.05 - Step 5: Solve for x
x = 113,767,125,659,733.05/10,490,660.68 - Step 6: Final answer
x = 10,844,610.19
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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.