Finding the Fourth Proportional to 8,230,410.48, 12,345,617.10 and 3,435,484.08
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Solution
The fourth proportional to 8,230,410.48, 12,345,617.10 and 3,435,484.08 is: 5,153,226.70
Step by Step Solution
- Step 1: Write the proportion equation
8,230,410.48 : 12,345,617.10 = 3,435,484.08 : x - Step 2: Convert to fraction form
8,230,410.48/12,345,617.10 = 3,435,484.08/x - Step 3: Cross multiply
8,230,410.48x = 12,345,617.10 × 3,435,484.08 - Step 4: Simplify right side
8,230,410.48x = 42,413,171,004,825.77 - Step 5: Solve for x
x = 42,413,171,004,825.77/8,230,410.48 - Step 6: Final answer
x = 5,153,226.70
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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.