Finding the Fourth Proportional to 19,572,183.50, 29,361,886.53 and 6,442,343.10
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Solution
The fourth proportional to 19,572,183.50, 29,361,886.53 and 6,442,343.10 is: 9,664,703.33
Step by Step Solution
- Step 1: Write the proportion equation
19,572,183.50 : 29,361,886.53 = 6,442,343.10 : x - Step 2: Convert to fraction form
19,572,183.50/29,361,886.53 = 6,442,343.10/x - Step 3: Cross multiply
19,572,183.50x = 29,361,886.53 × 6,442,343.10 - Step 4: Simplify right side
19,572,183.50x = 189,159,347,065,369.66 - Step 5: Solve for x
x = 189,159,347,065,369.66/19,572,183.50 - Step 6: Final answer
x = 9,664,703.33
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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.