Finding the Fourth Proportional to 11,551,271.20, 15,935,750.40 and 6,965,044.72
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Solution
The fourth proportional to 11,551,271.20, 15,935,750.40 and 6,965,044.72 is: 9,608,744.55
Step by Step Solution
- Step 1: Write the proportion equation
11,551,271.20 : 15,935,750.40 = 6,965,044.72 : x - Step 2: Convert to fraction form
11,551,271.20/15,935,750.40 = 6,965,044.72/x - Step 3: Cross multiply
11,551,271.20x = 15,935,750.40 × 6,965,044.72 - Step 4: Simplify right side
11,551,271.20x = 110,993,214,182,757.89 - Step 5: Solve for x
x = 110,993,214,182,757.89/11,551,271.20 - Step 6: Final answer
x = 9,608,744.55
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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.