Finding the Fourth Proportional to 10,377,761.55, 15,553,139.99 and 4,222,569.99
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Solution
The fourth proportional to 10,377,761.55, 15,553,139.99 and 4,222,569.99 is: 6,328,361.07
Step by Step Solution
- Step 1: Write the proportion equation
10,377,761.55 : 15,553,139.99 = 4,222,569.99 : x - Step 2: Convert to fraction form
10,377,761.55/15,553,139.99 = 4,222,569.99/x - Step 3: Cross multiply
10,377,761.55x = 15,553,139.99 × 4,222,569.99 - Step 4: Simplify right side
10,377,761.55x = 65,674,222,150,930.05 - Step 5: Solve for x
x = 65,674,222,150,930.05/10,377,761.55 - Step 6: Final answer
x = 6,328,361.07
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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.