Finding the Fourth Proportional to 47,920,594.36, 71,913,234.37 and 18,770,817.68
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Solution
The fourth proportional to 47,920,594.36, 71,913,234.37 and 18,770,817.68 is: 28,168,895.42
Step by Step Solution
- Step 1: Write the proportion equation
47,920,594.36 : 71,913,234.37 = 18,770,817.68 : x - Step 2: Convert to fraction form
47,920,594.36/71,913,234.37 = 18,770,817.68/x - Step 3: Cross multiply
47,920,594.36x = 71,913,234.37 × 18,770,817.68 - Step 4: Simplify right side
47,920,594.36x = 1,349,870,210,962,094.50 - Step 5: Solve for x
x = 1,349,870,210,962,094.50/47,920,594.36 - Step 6: Final answer
x = 28,168,895.42
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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.