Finding the Fourth Proportional to 10,208,420.73, 14,083,194.07 and 6,076,134.80
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Solution
The fourth proportional to 10,208,420.73, 14,083,194.07 and 6,076,134.80 is: 8,382,431.32
Step by Step Solution
- Step 1: Write the proportion equation
10,208,420.73 : 14,083,194.07 = 6,076,134.80 : x - Step 2: Convert to fraction form
10,208,420.73/14,083,194.07 = 6,076,134.80/x - Step 3: Cross multiply
10,208,420.73x = 14,083,194.07 × 6,076,134.80 - Step 4: Simplify right side
10,208,420.73x = 85,571,385,603,898.30 - Step 5: Solve for x
x = 85,571,385,603,898.30/10,208,420.73 - Step 6: Final answer
x = 8,382,431.32
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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.