Finding the Fourth Proportional to 8,076,386.99, 11,145,448.95 and 4,405,382.48
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Solution
The fourth proportional to 8,076,386.99, 11,145,448.95 and 4,405,382.48 is: 6,079,446.86
Step by Step Solution
- Step 1: Write the proportion equation
8,076,386.99 : 11,145,448.95 = 4,405,382.48 : x - Step 2: Convert to fraction form
8,076,386.99/11,145,448.95 = 4,405,382.48/x - Step 3: Cross multiply
8,076,386.99x = 11,145,448.95 × 4,405,382.48 - Step 4: Simplify right side
8,076,386.99x = 49,099,965,536,064.40 - Step 5: Solve for x
x = 49,099,965,536,064.40/8,076,386.99 - Step 6: Final answer
x = 6,079,446.86
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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.