Finding the Fourth Proportional to 11,479,622.87, 15,841,878.14 and 6,322,984.44
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Solution
The fourth proportional to 11,479,622.87, 15,841,878.14 and 6,322,984.44 is: 8,725,717.74
Step by Step Solution
- Step 1: Write the proportion equation
11,479,622.87 : 15,841,878.14 = 6,322,984.44 : x - Step 2: Convert to fraction form
11,479,622.87/15,841,878.14 = 6,322,984.44/x - Step 3: Cross multiply
11,479,622.87x = 15,841,878.14 × 6,322,984.44 - Step 4: Simplify right side
11,479,622.87x = 100,167,948,935,996.56 - Step 5: Solve for x
x = 100,167,948,935,996.56/11,479,622.87 - Step 6: Final answer
x = 8,725,717.74
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1.5x scale
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.