Finding the Fourth Proportional to 33,408,855.84, 46,110,686.94 and 21,786,241.17
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Solution
The fourth proportional to 33,408,855.84, 46,110,686.94 and 21,786,241.17 is: 30,069,229.28
Step by Step Solution
- Step 1: Write the proportion equation
33,408,855.84 : 46,110,686.94 = 21,786,241.17 : x - Step 2: Convert to fraction form
33,408,855.84/46,110,686.94 = 21,786,241.17/x - Step 3: Cross multiply
33,408,855.84x = 46,110,686.94 × 21,786,241.17 - Step 4: Simplify right side
33,408,855.84x = 1,004,578,546,189,209.38 - Step 5: Solve for x
x = 1,004,578,546,189,209.38/33,408,855.84 - Step 6: Final answer
x = 30,069,229.28
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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.