Finding the Fourth Proportional to 11,502,474.66, 15,872,861.10 and 6,275,171.70
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Solution
The fourth proportional to 11,502,474.66, 15,872,861.10 and 6,275,171.70 is: 8,659,434.75
Step by Step Solution
- Step 1: Write the proportion equation
11,502,474.66 : 15,872,861.10 = 6,275,171.70 : x - Step 2: Convert to fraction form
11,502,474.66/15,872,861.10 = 6,275,171.70/x - Step 3: Cross multiply
11,502,474.66x = 15,872,861.10 × 6,275,171.70 - Step 4: Simplify right side
11,502,474.66x = 99,604,928,772,750.88 - Step 5: Solve for x
x = 99,604,928,772,750.88/11,502,474.66 - Step 6: Final answer
x = 8,659,434.75
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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.