Finding the Fourth Proportional to 19,806,412.05, 29,709,720.59 and 9,016,166.84
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Solution
The fourth proportional to 19,806,412.05, 29,709,720.59 and 9,016,166.84 is: 13,524,296.92
Step by Step Solution
- Step 1: Write the proportion equation
19,806,412.05 : 29,709,720.59 = 9,016,166.84 : x - Step 2: Convert to fraction form
19,806,412.05/29,709,720.59 = 9,016,166.84/x - Step 3: Cross multiply
19,806,412.05x = 29,709,720.59 × 9,016,166.84 - Step 4: Simplify right side
19,806,412.05x = 267,867,797,415,593.84 - Step 5: Solve for x
x = 267,867,797,415,593.84/19,806,412.05 - Step 6: Final answer
x = 13,524,296.92
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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.