Finding the Fourth Proportional to 10,871,622.22, 16,271,948.25 and 7,992,226.82
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Solution
The fourth proportional to 10,871,622.22, 16,271,948.25 and 7,992,226.82 is: 11,962,253.52
Step by Step Solution
- Step 1: Write the proportion equation
10,871,622.22 : 16,271,948.25 = 7,992,226.82 : x - Step 2: Convert to fraction form
10,871,622.22/16,271,948.25 = 7,992,226.82/x - Step 3: Cross multiply
10,871,622.22x = 16,271,948.25 × 7,992,226.82 - Step 4: Simplify right side
10,871,622.22x = 130,049,101,217,302.06 - Step 5: Solve for x
x = 130,049,101,217,302.06/10,871,622.22 - Step 6: Final answer
x = 11,962,253.52
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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.