Finding the Fourth Proportional to 18,636,098.70, 27,969,894.45 and 7,284,693.90
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Solution
The fourth proportional to 18,636,098.70, 27,969,894.45 and 7,284,693.90 is: 10,933,195.99
Step by Step Solution
- Step 1: Write the proportion equation
18,636,098.70 : 27,969,894.45 = 7,284,693.90 : x - Step 2: Convert to fraction form
18,636,098.70/27,969,894.45 = 7,284,693.90/x - Step 3: Cross multiply
18,636,098.70x = 27,969,894.45 × 7,284,693.90 - Step 4: Simplify right side
18,636,098.70x = 203,752,119,483,558.88 - Step 5: Solve for x
x = 203,752,119,483,558.88/18,636,098.70 - Step 6: Final answer
x = 10,933,195.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.