Finding the Fourth Proportional to 8,689,021.20, 13,029,595.20 and 3,295,879.20
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Solution
The fourth proportional to 8,689,021.20, 13,029,595.20 and 3,295,879.20 is: 4,942,325.59
Step by Step Solution
- Step 1: Write the proportion equation
8,689,021.20 : 13,029,595.20 = 3,295,879.20 : x - Step 2: Convert to fraction form
8,689,021.20/13,029,595.20 = 3,295,879.20/x - Step 3: Cross multiply
8,689,021.20x = 13,029,595.20 × 3,295,879.20 - Step 4: Simplify right side
8,689,021.20x = 42,943,971,804,099.84 - Step 5: Solve for x
x = 42,943,971,804,099.84/8,689,021.20 - Step 6: Final answer
x = 4,942,325.59
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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.