Finding the Fourth Proportional to 11,412,931.06, 15,748,163.29 and 6,940,204.41
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Solution
The fourth proportional to 11,412,931.06, 15,748,163.29 and 6,940,204.41 is: 9,576,459.52
Step by Step Solution
- Step 1: Write the proportion equation
11,412,931.06 : 15,748,163.29 = 6,940,204.41 : x - Step 2: Convert to fraction form
11,412,931.06/15,748,163.29 = 6,940,204.41/x - Step 3: Cross multiply
11,412,931.06x = 15,748,163.29 × 6,940,204.41 - Step 4: Simplify right side
11,412,931.06x = 109,295,472,314,658.11 - Step 5: Solve for x
x = 109,295,472,314,658.11/11,412,931.06 - Step 6: Final answer
x = 9,576,459.52
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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.