Finding the Fourth Proportional to 18,860,739.70, 28,291,372.00 and 5,397,567.70
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Solution
The fourth proportional to 18,860,739.70, 28,291,372.00 and 5,397,567.70 is: 8,096,426.65
Step by Step Solution
- Step 1: Write the proportion equation
18,860,739.70 : 28,291,372.00 = 5,397,567.70 : x - Step 2: Convert to fraction form
18,860,739.70/28,291,372.00 = 5,397,567.70/x - Step 3: Cross multiply
18,860,739.70x = 28,291,372.00 × 5,397,567.70 - Step 4: Simplify right side
18,860,739.70x = 152,704,595,611,662.03 - Step 5: Solve for x
x = 152,704,595,611,662.03/18,860,739.70 - Step 6: Final answer
x = 8,096,426.65
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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.