Finding the Fourth Proportional to 10,498,021.64, 15,747,032.64 and 2,519,845.64
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Solution
The fourth proportional to 10,498,021.64, 15,747,032.64 and 2,519,845.64 is: 3,779,768.50
Step by Step Solution
- Step 1: Write the proportion equation
10,498,021.64 : 15,747,032.64 = 2,519,845.64 : x - Step 2: Convert to fraction form
10,498,021.64/15,747,032.64 = 2,519,845.64/x - Step 3: Cross multiply
10,498,021.64x = 15,747,032.64 × 2,519,845.64 - Step 4: Simplify right side
10,498,021.64x = 39,680,091,540,841.70 - Step 5: Solve for x
x = 39,680,091,540,841.70/10,498,021.64 - Step 6: Final answer
x = 3,779,768.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.