Finding the Fourth Proportional to 47,920,600.85, 71,913,244.11 and 18,770,824.19
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Solution
The fourth proportional to 47,920,600.85, 71,913,244.11 and 18,770,824.19 is: 28,168,905.19
Step by Step Solution
- Step 1: Write the proportion equation
47,920,600.85 : 71,913,244.11 = 18,770,824.19 : x - Step 2: Convert to fraction form
47,920,600.85/71,913,244.11 = 18,770,824.19/x - Step 3: Cross multiply
47,920,600.85x = 71,913,244.11 × 18,770,824.19 - Step 4: Simplify right side
47,920,600.85x = 1,349,870,862,121,363 - Step 5: Solve for x
x = 1,349,870,862,121,363/47,920,600.85 - Step 6: Final answer
x = 28,168,905.19
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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.