Finding the Fourth Proportional to 7,450,390.26, 11,166,240.42 and 3,185,552.34
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Solution
The fourth proportional to 7,450,390.26, 11,166,240.42 and 3,185,552.34 is: 4,774,332.90
Step by Step Solution
- Step 1: Write the proportion equation
7,450,390.26 : 11,166,240.42 = 3,185,552.34 : x - Step 2: Convert to fraction form
7,450,390.26/11,166,240.42 = 3,185,552.34/x - Step 3: Cross multiply
7,450,390.26x = 11,166,240.42 × 3,185,552.34 - Step 4: Simplify right side
7,450,390.26x = 35,570,643,298,933.58 - Step 5: Solve for x
x = 35,570,643,298,933.58/7,450,390.26 - Step 6: Final answer
x = 4,774,332.90
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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.