Finding the Fourth Proportional to 25,340,449.44, 34,998,688.56 and 17,177,515.68
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Solution
The fourth proportional to 25,340,449.44, 34,998,688.56 and 17,177,515.68 is: 23,724,540.60
Step by Step Solution
- Step 1: Write the proportion equation
25,340,449.44 : 34,998,688.56 = 17,177,515.68 : x - Step 2: Convert to fraction form
25,340,449.44/34,998,688.56 = 17,177,515.68/x - Step 3: Cross multiply
25,340,449.44x = 34,998,688.56 × 17,177,515.68 - Step 4: Simplify right side
25,340,449.44x = 601,190,521,583,252.25 - Step 5: Solve for x
x = 601,190,521,583,252.25/25,340,449.44 - Step 6: Final answer
x = 23,724,540.60
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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.