Finding the Fourth Proportional to 57,391,334.72, 86,087,064.44 and 14,260,538.09
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Solution
The fourth proportional to 57,391,334.72, 86,087,064.44 and 14,260,538.09 is: 21,390,822.63
Step by Step Solution
- Step 1: Write the proportion equation
57,391,334.72 : 86,087,064.44 = 14,260,538.09 : x - Step 2: Convert to fraction form
57,391,334.72/86,087,064.44 = 14,260,538.09/x - Step 3: Cross multiply
57,391,334.72x = 86,087,064.44 × 14,260,538.09 - Step 4: Simplify right side
57,391,334.72x = 1,227,647,861,431,601.75 - Step 5: Solve for x
x = 1,227,647,861,431,601.75/57,391,334.72 - Step 6: Final answer
x = 21,390,822.63
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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.