Finding the Fourth Proportional to 11,421,992.58, 17,124,467.28 and 6,871,975.14
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Solution
The fourth proportional to 11,421,992.58, 17,124,467.28 and 6,871,975.14 is: 10,302,835.75
Step by Step Solution
- Step 1: Write the proportion equation
11,421,992.58 : 17,124,467.28 = 6,871,975.14 : x - Step 2: Convert to fraction form
11,421,992.58/17,124,467.28 = 6,871,975.14/x - Step 3: Cross multiply
11,421,992.58x = 17,124,467.28 × 6,871,975.14 - Step 4: Simplify right side
11,421,992.58x = 117,678,913,433,903.42 - Step 5: Solve for x
x = 117,678,913,433,903.42/11,421,992.58 - Step 6: Final answer
x = 10,302,835.75
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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.