Finding the Fourth Proportional to 12,274,842.19, 18,417,572.84 and 6,588,423.49
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Solution
The fourth proportional to 12,274,842.19, 18,417,572.84 and 6,588,423.49 is: 9,885,485.10
Step by Step Solution
- Step 1: Write the proportion equation
12,274,842.19 : 18,417,572.84 = 6,588,423.49 : x - Step 2: Convert to fraction form
12,274,842.19/18,417,572.84 = 6,588,423.49/x - Step 3: Cross multiply
12,274,842.19x = 18,417,572.84 × 6,588,423.49 - Step 4: Simplify right side
12,274,842.19x = 121,342,769,527,842.02 - Step 5: Solve for x
x = 121,342,769,527,842.02/12,274,842.19 - Step 6: Final answer
x = 9,885,485.10
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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.