Finding the Fourth Proportional to 24,729,540.39, 34,130,852.27 and 13,719,837.18
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Solution
The fourth proportional to 24,729,540.39, 34,130,852.27 and 13,719,837.18 is: 18,935,642.50
Step by Step Solution
- Step 1: Write the proportion equation
24,729,540.39 : 34,130,852.27 = 13,719,837.18 : x - Step 2: Convert to fraction form
24,729,540.39/34,130,852.27 = 13,719,837.18/x - Step 3: Cross multiply
24,729,540.39x = 34,130,852.27 × 13,719,837.18 - Step 4: Simplify right side
24,729,540.39x = 468,269,736,012,492.25 - Step 5: Solve for x
x = 468,269,736,012,492.25/24,729,540.39 - Step 6: Final answer
x = 18,935,642.50
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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.