Finding the Fourth Proportional to 12,048,156.12, 18,072,450.18 and 4,377,248.76
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Solution
The fourth proportional to 12,048,156.12, 18,072,450.18 and 4,377,248.76 is: 6,565,951.62
Step by Step Solution
- Step 1: Write the proportion equation
12,048,156.12 : 18,072,450.18 = 4,377,248.76 : x - Step 2: Convert to fraction form
12,048,156.12/18,072,450.18 = 4,377,248.76/x - Step 3: Cross multiply
12,048,156.12x = 18,072,450.18 × 4,377,248.76 - Step 4: Simplify right side
12,048,156.12x = 79,107,610,140,566.77 - Step 5: Solve for x
x = 79,107,610,140,566.77/12,048,156.12 - Step 6: Final answer
x = 6,565,951.62
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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.