Finding the Fourth Proportional to 11,190,472.11, 15,441,481.58 and 7,058,952.09
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Solution
The fourth proportional to 11,190,472.11, 15,441,481.58 and 7,058,952.09 is: 9,740,489.73
Step by Step Solution
- Step 1: Write the proportion equation
11,190,472.11 : 15,441,481.58 = 7,058,952.09 : x - Step 2: Convert to fraction form
11,190,472.11/15,441,481.58 = 7,058,952.09/x - Step 3: Cross multiply
11,190,472.11x = 15,441,481.58 × 7,058,952.09 - Step 4: Simplify right side
11,190,472.11x = 109,000,678,636,542.73 - Step 5: Solve for x
x = 109,000,678,636,542.73/11,190,472.11 - Step 6: Final answer
x = 9,740,489.73
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1.5x scale
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.