Finding the Fourth Proportional to 10,207,883.58, 15,297,381.45 and 5,660,932.38
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Solution
The fourth proportional to 10,207,883.58, 15,297,381.45 and 5,660,932.38 is: 8,483,388.48
Step by Step Solution
- Step 1: Write the proportion equation
10,207,883.58 : 15,297,381.45 = 5,660,932.38 : x - Step 2: Convert to fraction form
10,207,883.58/15,297,381.45 = 5,660,932.38/x - Step 3: Cross multiply
10,207,883.58x = 15,297,381.45 × 5,660,932.38 - Step 4: Simplify right side
10,207,883.58x = 86,597,441,979,516.34 - Step 5: Solve for x
x = 86,597,441,979,516.34/10,207,883.58 - Step 6: Final answer
x = 8,483,388.48
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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.