Finding the Fourth Proportional to 7,920,183.68, 11,885,273.35 and 3,371,225.17
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Solution
The fourth proportional to 7,920,183.68, 11,885,273.35 and 3,371,225.17 is: 5,058,965.09
Step by Step Solution
- Step 1: Write the proportion equation
7,920,183.68 : 11,885,273.35 = 3,371,225.17 : x - Step 2: Convert to fraction form
7,920,183.68/11,885,273.35 = 3,371,225.17/x - Step 3: Cross multiply
7,920,183.68x = 11,885,273.35 × 3,371,225.17 - Step 4: Simplify right side
7,920,183.68x = 40,067,932,722,613.59 - Step 5: Solve for x
x = 40,067,932,722,613.59/7,920,183.68 - Step 6: Final answer
x = 5,058,965.09
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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.