Finding the Fourth Proportional to 7,449,147.06, 11,169,147.72 and 2,894,878.18
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Solution
The fourth proportional to 7,449,147.06, 11,169,147.72 and 2,894,878.18 is: 4,340,540.17
Step by Step Solution
- Step 1: Write the proportion equation
7,449,147.06 : 11,169,147.72 = 2,894,878.18 : x - Step 2: Convert to fraction form
7,449,147.06/11,169,147.72 = 2,894,878.18/x - Step 3: Cross multiply
7,449,147.06x = 11,169,147.72 × 2,894,878.18 - Step 4: Simplify right side
7,449,147.06x = 32,333,322,023,824.75 - Step 5: Solve for x
x = 32,333,322,023,824.75/7,449,147.06 - Step 6: Final answer
x = 4,340,540.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.