Finding the Fourth Proportional to 11,421,997.08, 17,124,474.03 and 6,871,979.64
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Solution
The fourth proportional to 11,421,997.08, 17,124,474.03 and 6,871,979.64 is: 10,302,842.49
Step by Step Solution
- Step 1: Write the proportion equation
11,421,997.08 : 17,124,474.03 = 6,871,979.64 : x - Step 2: Convert to fraction form
11,421,997.08/17,124,474.03 = 6,871,979.64/x - Step 3: Cross multiply
11,421,997.08x = 17,124,474.03 × 6,871,979.64 - Step 4: Simplify right side
11,421,997.08x = 117,679,036,879,868.75 - Step 5: Solve for x
x = 117,679,036,879,868.75/11,421,997.08 - Step 6: Final answer
x = 10,302,842.49
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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.