Finding the Fourth Proportional to 8,471,677.74, 11,691,005.67 and 4,604,199.18
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Solution
The fourth proportional to 8,471,677.74, 11,691,005.67 and 4,604,199.18 is: 6,353,843.99
Step by Step Solution
- Step 1: Write the proportion equation
8,471,677.74 : 11,691,005.67 = 4,604,199.18 : x - Step 2: Convert to fraction form
8,471,677.74/11,691,005.67 = 4,604,199.18/x - Step 3: Cross multiply
8,471,677.74x = 11,691,005.67 × 4,604,199.18 - Step 4: Simplify right side
8,471,677.74x = 53,827,718,719,189.34 - Step 5: Solve for x
x = 53,827,718,719,189.34/8,471,677.74 - Step 6: Final answer
x = 6,353,843.99
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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.