Finding the Fourth Proportional to 10,377,793.18, 15,553,187.46 and 4,222,601.68
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Solution
The fourth proportional to 10,377,793.18, 15,553,187.46 and 4,222,601.68 is: 6,328,408.59
Step by Step Solution
- Step 1: Write the proportion equation
10,377,793.18 : 15,553,187.46 = 4,222,601.68 : x - Step 2: Convert to fraction form
10,377,793.18/15,553,187.46 = 4,222,601.68/x - Step 3: Cross multiply
10,377,793.18x = 15,553,187.46 × 4,222,601.68 - Step 4: Simplify right side
10,377,793.18x = 65,674,915,497,950.93 - Step 5: Solve for x
x = 65,674,915,497,950.93/10,377,793.18 - Step 6: Final answer
x = 6,328,408.59
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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.