Finding the Fourth Proportional to 20,722,343.19, 31,083,590.11 and 6,345,352.68
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Solution
The fourth proportional to 20,722,343.19, 31,083,590.11 and 6,345,352.68 is: 9,518,052.09
Step by Step Solution
- Step 1: Write the proportion equation
20,722,343.19 : 31,083,590.11 = 6,345,352.68 : x - Step 2: Convert to fraction form
20,722,343.19/31,083,590.11 = 6,345,352.68/x - Step 3: Cross multiply
20,722,343.19x = 31,083,590.11 × 6,345,352.68 - Step 4: Simplify right side
20,722,343.19x = 197,236,341,808,509.97 - Step 5: Solve for x
x = 197,236,341,808,509.97/20,722,343.19 - Step 6: Final answer
x = 9,518,052.09
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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.