Finding the Fourth Proportional to 11,451,195.64, 15,802,682.76 and 6,556,492.84
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Solution
The fourth proportional to 11,451,195.64, 15,802,682.76 and 6,556,492.84 is: 9,047,978.89
Step by Step Solution
- Step 1: Write the proportion equation
11,451,195.64 : 15,802,682.76 = 6,556,492.84 : x - Step 2: Convert to fraction form
11,451,195.64/15,802,682.76 = 6,556,492.84/x - Step 3: Cross multiply
11,451,195.64x = 15,802,682.76 × 6,556,492.84 - Step 4: Simplify right side
11,451,195.64x = 103,610,176,368,731.44 - Step 5: Solve for x
x = 103,610,176,368,731.44/11,451,195.64 - Step 6: Final answer
x = 9,047,978.89
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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.