Finding the Fourth Proportional to 36,261,675.60, 54,402,136.20 and 15,782,607.60
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Solution
The fourth proportional to 36,261,675.60, 54,402,136.20 and 15,782,607.60 is: 23,678,099.65
Step by Step Solution
- Step 1: Write the proportion equation
36,261,675.60 : 54,402,136.20 = 15,782,607.60 : x - Step 2: Convert to fraction form
36,261,675.60/54,402,136.20 = 15,782,607.60/x - Step 3: Cross multiply
36,261,675.60x = 54,402,136.20 × 15,782,607.60 - Step 4: Simplify right side
36,261,675.60x = 858,607,568,246,355.12 - Step 5: Solve for x
x = 858,607,568,246,355.12/36,261,675.60 - Step 6: Final answer
x = 23,678,099.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.