Finding the Fourth Proportional to 11,276,456.31, 15,559,258.68 and 6,863,226.12
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Solution
The fourth proportional to 11,276,456.31, 15,559,258.68 and 6,863,226.12 is: 9,469,882.00
Step by Step Solution
- Step 1: Write the proportion equation
11,276,456.31 : 15,559,258.68 = 6,863,226.12 : x - Step 2: Convert to fraction form
11,276,456.31/15,559,258.68 = 6,863,226.12/x - Step 3: Cross multiply
11,276,456.31x = 15,559,258.68 × 6,863,226.12 - Step 4: Simplify right side
11,276,456.31x = 106,786,710,580,412.72 - Step 5: Solve for x
x = 106,786,710,580,412.72/11,276,456.31 - Step 6: Final answer
x = 9,469,882.00
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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.