Finding the Fourth Proportional to 12,048,161.12, 18,072,457.68 and 4,377,253.76
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Solution
The fourth proportional to 12,048,161.12, 18,072,457.68 and 4,377,253.76 is: 6,565,959.12
Step by Step Solution
- Step 1: Write the proportion equation
12,048,161.12 : 18,072,457.68 = 4,377,253.76 : x - Step 2: Convert to fraction form
12,048,161.12/18,072,457.68 = 4,377,253.76/x - Step 3: Cross multiply
12,048,161.12x = 18,072,457.68 × 4,377,253.76 - Step 4: Simplify right side
12,048,161.12x = 79,107,733,332,220.88 - Step 5: Solve for x
x = 79,107,733,332,220.88/12,048,161.12 - Step 6: Final answer
x = 6,565,959.12
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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.