Finding the Fourth Proportional to 15,420,737.76, 23,128,115.72 and 5,836,863.84
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Solution
The fourth proportional to 15,420,737.76, 23,128,115.72 and 5,836,863.84 is: 8,754,163.67
Step by Step Solution
- Step 1: Write the proportion equation
15,420,737.76 : 23,128,115.72 = 5,836,863.84 : x - Step 2: Convert to fraction form
15,420,737.76/23,128,115.72 = 5,836,863.84/x - Step 3: Cross multiply
15,420,737.76x = 23,128,115.72 × 5,836,863.84 - Step 4: Simplify right side
15,420,737.76x = 134,995,662,333,403.55 - Step 5: Solve for x
x = 134,995,662,333,403.55/15,420,737.76 - Step 6: Final answer
x = 8,754,163.67
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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.