Finding the Fourth Proportional to 7,477,342.77, 11,211,529.58 and 3,428,758.81
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Solution
The fourth proportional to 7,477,342.77, 11,211,529.58 and 3,428,758.81 is: 5,141,081.80
Step by Step Solution
- Step 1: Write the proportion equation
7,477,342.77 : 11,211,529.58 = 3,428,758.81 : x - Step 2: Convert to fraction form
7,477,342.77/11,211,529.58 = 3,428,758.81/x - Step 3: Cross multiply
7,477,342.77x = 11,211,529.58 × 3,428,758.81 - Step 4: Simplify right side
7,477,342.77x = 38,441,630,821,000.60 - Step 5: Solve for x
x = 38,441,630,821,000.60/7,477,342.77 - Step 6: Final answer
x = 5,141,081.80
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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.