Finding the Fourth Proportional to 13,529,239.48, 18,671,113.44 and 8,025,872.68
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Solution
The fourth proportional to 13,529,239.48, 18,671,113.44 and 8,025,872.68 is: 11,076,156.90
Step by Step Solution
- Step 1: Write the proportion equation
13,529,239.48 : 18,671,113.44 = 8,025,872.68 : x - Step 2: Convert to fraction form
13,529,239.48/18,671,113.44 = 8,025,872.68/x - Step 3: Cross multiply
13,529,239.48x = 18,671,113.44 × 8,025,872.68 - Step 4: Simplify right side
13,529,239.48x = 149,851,979,263,276.81 - Step 5: Solve for x
x = 149,851,979,263,276.81/13,529,239.48 - Step 6: Final answer
x = 11,076,156.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.