Finding the Fourth Proportional to 18,528,335.70, 27,792,503.55 and 5,065,163.70
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Solution
The fourth proportional to 18,528,335.70, 27,792,503.55 and 5,065,163.70 is: 7,597,745.55
Step by Step Solution
- Step 1: Write the proportion equation
18,528,335.70 : 27,792,503.55 = 5,065,163.70 : x - Step 2: Convert to fraction form
18,528,335.70/27,792,503.55 = 5,065,163.70/x - Step 3: Cross multiply
18,528,335.70x = 27,792,503.55 × 5,065,163.70 - Step 4: Simplify right side
18,528,335.70x = 140,773,580,113,581.16 - Step 5: Solve for x
x = 140,773,580,113,581.16/18,528,335.70 - Step 6: Final answer
x = 7,597,745.55
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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.