Finding the Fourth Proportional to 8,462,328.13, 11,678,012.76 and 4,840,656.13
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Solution
The fourth proportional to 8,462,328.13, 11,678,012.76 and 4,840,656.13 is: 6,680,105.43
Step by Step Solution
- Step 1: Write the proportion equation
8,462,328.13 : 11,678,012.76 = 4,840,656.13 : x - Step 2: Convert to fraction form
8,462,328.13/11,678,012.76 = 4,840,656.13/x - Step 3: Cross multiply
8,462,328.13x = 11,678,012.76 × 4,840,656.13 - Step 4: Simplify right side
8,462,328.13x = 56,529,244,052,912.22 - Step 5: Solve for x
x = 56,529,244,052,912.22/8,462,328.13 - Step 6: Final answer
x = 6,680,105.43
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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.