Finding the Fourth Proportional to 7,115,714.74, 9,819,672.24 and 3,852,528.58
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Solution
The fourth proportional to 7,115,714.74, 9,819,672.24 and 3,852,528.58 is: 5,316,481.81
Step by Step Solution
- Step 1: Write the proportion equation
7,115,714.74 : 9,819,672.24 = 3,852,528.58 : x - Step 2: Convert to fraction form
7,115,714.74/9,819,672.24 = 3,852,528.58/x - Step 3: Cross multiply
7,115,714.74x = 9,819,672.24 × 3,852,528.58 - Step 4: Simplify right side
7,115,714.74x = 37,830,567,950,832.62 - Step 5: Solve for x
x = 37,830,567,950,832.62/7,115,714.74 - Step 6: Final answer
x = 5,316,481.81
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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.