Finding the Fourth Proportional to 7,211,219.00, 9,951,455.69 and 4,113,736.85
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Solution
The fourth proportional to 7,211,219.00, 9,951,455.69 and 4,113,736.85 is: 5,676,941.71
Step by Step Solution
- Step 1: Write the proportion equation
7,211,219.00 : 9,951,455.69 = 4,113,736.85 : x - Step 2: Convert to fraction form
7,211,219.00/9,951,455.69 = 4,113,736.85/x - Step 3: Cross multiply
7,211,219.00x = 9,951,455.69 × 4,113,736.85 - Step 4: Simplify right side
7,211,219.00x = 40,937,669,928,195.73 - Step 5: Solve for x
x = 40,937,669,928,195.73/7,211,219.00 - Step 6: Final answer
x = 5,676,941.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.