Finding the Fourth Proportional to 19,408,974.80, 29,102,964.60 and 8,050,571.60
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Solution
The fourth proportional to 19,408,974.80, 29,102,964.60 and 8,050,571.60 is: 12,071,503.14
Step by Step Solution
- Step 1: Write the proportion equation
19,408,974.80 : 29,102,964.60 = 8,050,571.60 : x - Step 2: Convert to fraction form
19,408,974.80/29,102,964.60 = 8,050,571.60/x - Step 3: Cross multiply
19,408,974.80x = 29,102,964.60 × 8,050,571.60 - Step 4: Simplify right side
19,408,974.80x = 234,295,500,284,565.38 - Step 5: Solve for x
x = 234,295,500,284,565.38/19,408,974.80 - Step 6: Final answer
x = 12,071,503.14
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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.