Finding the Fourth Proportional to 23,620,996.40, 32,596,974.84 and 12,755,979.44
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Solution
The fourth proportional to 23,620,996.40, 32,596,974.84 and 12,755,979.44 is: 17,603,251.52
Step by Step Solution
- Step 1: Write the proportion equation
23,620,996.40 : 32,596,974.84 = 12,755,979.44 : x - Step 2: Convert to fraction form
23,620,996.40/32,596,974.84 = 12,755,979.44/x - Step 3: Cross multiply
23,620,996.40x = 32,596,974.84 × 12,755,979.44 - Step 4: Simplify right side
23,620,996.40x = 415,806,340,865,237.25 - Step 5: Solve for x
x = 415,806,340,865,237.25/23,620,996.40 - Step 6: Final answer
x = 17,603,251.52
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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.