Finding the Fourth Proportional to 21,942,789.84, 32,916,348 and 7,563,964.68
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Solution
The fourth proportional to 21,942,789.84, 32,916,348 and 7,563,964.68 is: 11,346,692.72
Step by Step Solution
- Step 1: Write the proportion equation
21,942,789.84 : 32,916,348 = 7,563,964.68 : x - Step 2: Convert to fraction form
21,942,789.84/32,916,348 = 7,563,964.68/x - Step 3: Cross multiply
21,942,789.84x = 32,916,348 × 7,563,964.68 - Step 4: Simplify right side
21,942,789.84x = 248,978,093,666,588.62 - Step 5: Solve for x
x = 248,978,093,666,588.62/21,942,789.84 - Step 6: Final answer
x = 11,346,692.72
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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.