Finding the Fourth Proportional to 11,227,446.78, 15,493,887.54 and 6,070,806.96
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Solution
The fourth proportional to 11,227,446.78, 15,493,887.54 and 6,070,806.96 is: 8,377,719.54
Step by Step Solution
- Step 1: Write the proportion equation
11,227,446.78 : 15,493,887.54 = 6,070,806.96 : x - Step 2: Convert to fraction form
11,227,446.78/15,493,887.54 = 6,070,806.96/x - Step 3: Cross multiply
11,227,446.78x = 15,493,887.54 × 6,070,806.96 - Step 4: Simplify right side
11,227,446.78x = 94,060,400,315,289.27 - Step 5: Solve for x
x = 94,060,400,315,289.27/11,227,446.78 - Step 6: Final answer
x = 8,377,719.54
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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.