Finding the Fourth Proportional to 7,751,895.32, 10,697,511.12 and 4,314,135.44
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Solution
The fourth proportional to 7,751,895.32, 10,697,511.12 and 4,314,135.44 is: 5,953,448.79
Step by Step Solution
- Step 1: Write the proportion equation
7,751,895.32 : 10,697,511.12 = 4,314,135.44 : x - Step 2: Convert to fraction form
7,751,895.32/10,697,511.12 = 4,314,135.44/x - Step 3: Cross multiply
7,751,895.32x = 10,697,511.12 × 4,314,135.44 - Step 4: Simplify right side
7,751,895.32x = 46,150,511,842,586.09 - Step 5: Solve for x
x = 46,150,511,842,586.09/7,751,895.32 - Step 6: Final answer
x = 5,953,448.79
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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.