Finding the Fourth Proportional to 11,102,701.59, 15,306,660.36 and 7,790,495.56
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Solution
The fourth proportional to 11,102,701.59, 15,306,660.36 and 7,790,495.56 is: 10,740,311.14
Step by Step Solution
- Step 1: Write the proportion equation
11,102,701.59 : 15,306,660.36 = 7,790,495.56 : x - Step 2: Convert to fraction form
11,102,701.59/15,306,660.36 = 7,790,495.56/x - Step 3: Cross multiply
11,102,701.59x = 15,306,660.36 × 7,790,495.56 - Step 4: Simplify right side
11,102,701.59x = 119,246,469,534,741.34 - Step 5: Solve for x
x = 119,246,469,534,741.34/11,102,701.59 - Step 6: Final answer
x = 10,740,311.14
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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.