Finding the Fourth Proportional to 7,158,455.12, 10,739,364.42 and 2,366,144.66
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Solution
The fourth proportional to 7,158,455.12, 10,739,364.42 and 2,366,144.66 is: 3,549,772.87
Step by Step Solution
- Step 1: Write the proportion equation
7,158,455.12 : 10,739,364.42 = 2,366,144.66 : x - Step 2: Convert to fraction form
7,158,455.12/10,739,364.42 = 2,366,144.66/x - Step 3: Cross multiply
7,158,455.12x = 10,739,364.42 × 2,366,144.66 - Step 4: Simplify right side
7,158,455.12x = 25,410,889,774,177 - Step 5: Solve for x
x = 25,410,889,774,177/7,158,455.12 - Step 6: Final answer
x = 3,549,772.87
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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.