Finding the Fourth Proportional to 12,231,181.05, 18,346,771.58 and 6,562,477.05
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Solution
The fourth proportional to 12,231,181.05, 18,346,771.58 and 6,562,477.05 is: 9,843,715.58
Step by Step Solution
- Step 1: Write the proportion equation
12,231,181.05 : 18,346,771.58 = 6,562,477.05 : x - Step 2: Convert to fraction form
12,231,181.05/18,346,771.58 = 6,562,477.05/x - Step 3: Cross multiply
12,231,181.05x = 18,346,771.58 × 6,562,477.05 - Step 4: Simplify right side
12,231,181.05x = 120,400,267,402,529.84 - Step 5: Solve for x
x = 120,400,267,402,529.84/12,231,181.05 - Step 6: Final answer
x = 9,843,715.58
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Similar ratio
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1.5x scale
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.