Finding the Fourth Proportional to 8,003,865.97, 11,037,873.63 and 7,409,389.96
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Solution
The fourth proportional to 8,003,865.97, 11,037,873.63 and 7,409,389.96 is: 10,218,050.92
Step by Step Solution
- Step 1: Write the proportion equation
8,003,865.97 : 11,037,873.63 = 7,409,389.96 : x - Step 2: Convert to fraction form
8,003,865.97/11,037,873.63 = 7,409,389.96/x - Step 3: Cross multiply
8,003,865.97x = 11,037,873.63 × 7,409,389.96 - Step 4: Simplify right side
8,003,865.97x = 81,783,910,053,870.77 - Step 5: Solve for x
x = 81,783,910,053,870.77/8,003,865.97 - Step 6: Final answer
x = 10,218,050.92
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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.