Finding the Fourth Proportional to 11,026,644.48, 15,214,539.42 and 6,442,080.12
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Solution
The fourth proportional to 11,026,644.48, 15,214,539.42 and 6,442,080.12 is: 8,888,767.76
Step by Step Solution
- Step 1: Write the proportion equation
11,026,644.48 : 15,214,539.42 = 6,442,080.12 : x - Step 2: Convert to fraction form
11,026,644.48/15,214,539.42 = 6,442,080.12/x - Step 3: Cross multiply
11,026,644.48x = 15,214,539.42 × 6,442,080.12 - Step 4: Simplify right side
11,026,644.48x = 98,013,281,932,538.33 - Step 5: Solve for x
x = 98,013,281,932,538.33/11,026,644.48 - Step 6: Final answer
x = 8,888,767.76
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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.