Finding the Fourth Proportional to 16,849,549.80, 25,283,072.70 and 7,874,101.80
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Solution
The fourth proportional to 16,849,549.80, 25,283,072.70 and 7,874,101.80 is: 11,815,240.80
Step by Step Solution
- Step 1: Write the proportion equation
16,849,549.80 : 25,283,072.70 = 7,874,101.80 : x - Step 2: Convert to fraction form
16,849,549.80/25,283,072.70 = 7,874,101.80/x - Step 3: Cross multiply
16,849,549.80x = 25,283,072.70 × 7,874,101.80 - Step 4: Simplify right side
16,849,549.80x = 199,081,488,256,600.84 - Step 5: Solve for x
x = 199,081,488,256,600.84/16,849,549.80 - Step 6: Final answer
x = 11,815,240.80
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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.