Finding the Fourth Proportional to 19,563,779.20, 29,350,917.60 and 17,448,512.80
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Solution
The fourth proportional to 19,563,779.20, 29,350,917.60 and 17,448,512.80 is: 26,177,450.49
Step by Step Solution
- Step 1: Write the proportion equation
19,563,779.20 : 29,350,917.60 = 17,448,512.80 : x - Step 2: Convert to fraction form
19,563,779.20/29,350,917.60 = 17,448,512.80/x - Step 3: Cross multiply
19,563,779.20x = 29,350,917.60 × 17,448,512.80 - Step 4: Simplify right side
19,563,779.20x = 512,129,861,435,345.31 - Step 5: Solve for x
x = 512,129,861,435,345.31/19,563,779.20 - Step 6: Final answer
x = 26,177,450.49
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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.