Finding the Fourth Proportional to 25,563,269.39, 38,345,691.41 and 11,178,932.99
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Solution
The fourth proportional to 25,563,269.39, 38,345,691.41 and 11,178,932.99 is: 16,768,743.78
Step by Step Solution
- Step 1: Write the proportion equation
25,563,269.39 : 38,345,691.41 = 11,178,932.99 : x - Step 2: Convert to fraction form
25,563,269.39/38,345,691.41 = 11,178,932.99/x - Step 3: Cross multiply
25,563,269.39x = 38,345,691.41 × 11,178,932.99 - Step 4: Simplify right side
25,563,269.39x = 428,663,914,671,714 - Step 5: Solve for x
x = 428,663,914,671,714/25,563,269.39 - Step 6: Final answer
x = 16,768,743.78
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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.