Finding the Fourth Proportional to 28,846,202.22, 39,806,181.99 and 15,790,935.54
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Solution
The fourth proportional to 28,846,202.22, 39,806,181.99 and 15,790,935.54 is: 21,790,627.73
Step by Step Solution
- Step 1: Write the proportion equation
28,846,202.22 : 39,806,181.99 = 15,790,935.54 : x - Step 2: Convert to fraction form
28,846,202.22/39,806,181.99 = 15,790,935.54/x - Step 3: Cross multiply
28,846,202.22x = 39,806,181.99 × 15,790,935.54 - Step 4: Simplify right side
28,846,202.22x = 628,576,853,897,598.88 - Step 5: Solve for x
x = 628,576,853,897,598.88/28,846,202.22 - Step 6: Final answer
x = 21,790,627.73
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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.