Finding the Fourth Proportional to 11,197,160.61, 15,452,043.76 and 6,302,379.87
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Solution
The fourth proportional to 11,197,160.61, 15,452,043.76 and 6,302,379.87 is: 8,697,262.90
Step by Step Solution
- Step 1: Write the proportion equation
11,197,160.61 : 15,452,043.76 = 6,302,379.87 : x - Step 2: Convert to fraction form
11,197,160.61/15,452,043.76 = 6,302,379.87/x - Step 3: Cross multiply
11,197,160.61x = 15,452,043.76 × 6,302,379.87 - Step 4: Simplify right side
11,197,160.61x = 97,384,649,511,871.22 - Step 5: Solve for x
x = 97,384,649,511,871.22/11,197,160.61 - Step 6: Final answer
x = 8,697,262.90
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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.