Finding the Fourth Proportional to 18,257,710.56, 25,195,640.79 and 10,523,251.08
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Solution
The fourth proportional to 18,257,710.56, 25,195,640.79 and 10,523,251.08 is: 14,522,086.62
Step by Step Solution
- Step 1: Write the proportion equation
18,257,710.56 : 25,195,640.79 = 10,523,251.08 : x - Step 2: Convert to fraction form
18,257,710.56/25,195,640.79 = 10,523,251.08/x - Step 3: Cross multiply
18,257,710.56x = 25,195,640.79 × 10,523,251.08 - Step 4: Simplify right side
18,257,710.56x = 265,140,054,154,659.53 - Step 5: Solve for x
x = 265,140,054,154,659.53/18,257,710.56 - Step 6: Final answer
x = 14,522,086.62
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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.