Finding the Fourth Proportional to 8,143,099.24, 12,214,545.18 and 1,995,143.08
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Solution
The fourth proportional to 8,143,099.24, 12,214,545.18 and 1,995,143.08 is: 2,992,689.22
Step by Step Solution
- Step 1: Write the proportion equation
8,143,099.24 : 12,214,545.18 = 1,995,143.08 : x - Step 2: Convert to fraction form
8,143,099.24/12,214,545.18 = 1,995,143.08/x - Step 3: Cross multiply
8,143,099.24x = 12,214,545.18 × 1,995,143.08 - Step 4: Simplify right side
8,143,099.24x = 24,369,765,291,224.36 - Step 5: Solve for x
x = 24,369,765,291,224.36/8,143,099.24 - Step 6: Final answer
x = 2,992,689.22
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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.