Finding the Fourth Proportional to 7,877,363.97, 10,874,394.15 and 4,613,728.17
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Solution
The fourth proportional to 7,877,363.97, 10,874,394.15 and 4,613,728.17 is: 6,369,072.04
Step by Step Solution
- Step 1: Write the proportion equation
7,877,363.97 : 10,874,394.15 = 4,613,728.17 : x - Step 2: Convert to fraction form
7,877,363.97/10,874,394.15 = 4,613,728.17/x - Step 3: Cross multiply
7,877,363.97x = 10,874,394.15 × 4,613,728.17 - Step 4: Simplify right side
7,877,363.97x = 50,171,498,621,538.20 - Step 5: Solve for x
x = 50,171,498,621,538.20/7,877,363.97 - Step 6: Final answer
x = 6,369,072.04
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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.