Finding the Fourth Proportional to 7,194,949.43, 9,930,042.80 and 4,580,618.36
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Solution
The fourth proportional to 7,194,949.43, 9,930,042.80 and 4,580,618.36 is: 6,321,897.99
Step by Step Solution
- Step 1: Write the proportion equation
7,194,949.43 : 9,930,042.80 = 4,580,618.36 : x - Step 2: Convert to fraction form
7,194,949.43/9,930,042.80 = 4,580,618.36/x - Step 3: Cross multiply
7,194,949.43x = 9,930,042.80 × 4,580,618.36 - Step 4: Simplify right side
7,194,949.43x = 45,485,736,352,863.32 - Step 5: Solve for x
x = 45,485,736,352,863.32/7,194,949.43 - Step 6: Final answer
x = 6,321,897.99
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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.