Finding the Fourth Proportional to 8,581,079.64, 11,838,999.01 and 4,859,400.99
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Solution
The fourth proportional to 8,581,079.64, 11,838,999.01 and 4,859,400.99 is: 6,704,336.28
Step by Step Solution
- Step 1: Write the proportion equation
8,581,079.64 : 11,838,999.01 = 4,859,400.99 : x - Step 2: Convert to fraction form
8,581,079.64/11,838,999.01 = 4,859,400.99/x - Step 3: Cross multiply
8,581,079.64x = 11,838,999.01 × 4,859,400.99 - Step 4: Simplify right side
8,581,079.64x = 57,530,443,509,803.02 - Step 5: Solve for x
x = 57,530,443,509,803.02/8,581,079.64 - Step 6: Final answer
x = 6,704,336.28
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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.