Finding the Fourth Proportional to 11,195,828.64, 15,444,317.88 and 7,705,107.14
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Solution
The fourth proportional to 11,195,828.64, 15,444,317.88 and 7,705,107.14 is: 10,628,969.75
Step by Step Solution
- Step 1: Write the proportion equation
11,195,828.64 : 15,444,317.88 = 7,705,107.14 : x - Step 2: Convert to fraction form
11,195,828.64/15,444,317.88 = 7,705,107.14/x - Step 3: Cross multiply
11,195,828.64x = 15,444,317.88 × 7,705,107.14 - Step 4: Simplify right side
11,195,828.64x = 119,000,123,892,396.08 - Step 5: Solve for x
x = 119,000,123,892,396.08/11,195,828.64 - Step 6: Final answer
x = 10,628,969.75
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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.