Finding the Fourth Proportional to 28,823,184.30, 39,775,968.09 and 15,770,497.62
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Solution
The fourth proportional to 28,823,184.30, 39,775,968.09 and 15,770,497.62 is: 21,763,272.36
Step by Step Solution
- Step 1: Write the proportion equation
28,823,184.30 : 39,775,968.09 = 15,770,497.62 : x - Step 2: Convert to fraction form
28,823,184.30/39,775,968.09 = 15,770,497.62/x - Step 3: Cross multiply
28,823,184.30x = 39,775,968.09 × 15,770,497.62 - Step 4: Simplify right side
28,823,184.30x = 627,286,810,096,541 - Step 5: Solve for x
x = 627,286,810,096,541/28,823,184.30 - Step 6: Final answer
x = 21,763,272.36
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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.