Finding the Fourth Proportional to 18,903,553.44, 28,360,375.90 and 6,774,242.96
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Solution
The fourth proportional to 18,903,553.44, 28,360,375.90 and 6,774,242.96 is: 10,163,172.63
Step by Step Solution
- Step 1: Write the proportion equation
18,903,553.44 : 28,360,375.90 = 6,774,242.96 : x - Step 2: Convert to fraction form
18,903,553.44/28,360,375.90 = 6,774,242.96/x - Step 3: Cross multiply
18,903,553.44x = 28,360,375.90 × 6,774,242.96 - Step 4: Simplify right side
18,903,553.44x = 192,120,076,837,494 - Step 5: Solve for x
x = 192,120,076,837,494/18,903,553.44 - Step 6: Final answer
x = 10,163,172.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.