Finding the Fourth Proportional to 11,076,372.88, 15,285,593.64 and 6,495,997.84
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Solution
The fourth proportional to 11,076,372.88, 15,285,593.64 and 6,495,997.84 is: 8,964,593.77
Step by Step Solution
- Step 1: Write the proportion equation
11,076,372.88 : 15,285,593.64 = 6,495,997.84 : x - Step 2: Convert to fraction form
11,076,372.88/15,285,593.64 = 6,495,997.84/x - Step 3: Cross multiply
11,076,372.88x = 15,285,593.64 × 6,495,997.84 - Step 4: Simplify right side
11,076,372.88x = 99,295,183,268,557.73 - Step 5: Solve for x
x = 99,295,183,268,557.73/11,076,372.88 - Step 6: Final answer
x = 8,964,593.77
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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.