Finding the Fourth Proportional to 19,532,800.67, 26,949,767.45 and 15,389,988.44
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Solution
The fourth proportional to 19,532,800.67, 26,949,767.45 and 15,389,988.44 is: 21,233,852.56
Step by Step Solution
- Step 1: Write the proportion equation
19,532,800.67 : 26,949,767.45 = 15,389,988.44 : x - Step 2: Convert to fraction form
19,532,800.67/26,949,767.45 = 15,389,988.44/x - Step 3: Cross multiply
19,532,800.67x = 26,949,767.45 × 15,389,988.44 - Step 4: Simplify right side
19,532,800.67x = 414,756,609,419,914.44 - Step 5: Solve for x
x = 414,756,609,419,914.44/19,532,800.67 - Step 6: Final answer
x = 21,233,852.56
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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.