Finding the Fourth Proportional to 52,571,792.20, 78,869,438.70 and 18,494,249.80
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Solution
The fourth proportional to 52,571,792.20, 78,869,438.70 and 18,494,249.80 is: 27,745,508.38
Step by Step Solution
- Step 1: Write the proportion equation
52,571,792.20 : 78,869,438.70 = 18,494,249.80 : x - Step 2: Convert to fraction form
52,571,792.20/78,869,438.70 = 18,494,249.80/x - Step 3: Cross multiply
52,571,792.20x = 78,869,438.70 × 18,494,249.80 - Step 4: Simplify right side
52,571,792.20x = 1,458,631,100,903,587.25 - Step 5: Solve for x
x = 1,458,631,100,903,587.25/52,571,792.20 - Step 6: Final answer
x = 27,745,508.38
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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.