Finding the Fourth Proportional to 7,478,347.26, 11,219,029.92 and 2,361,576.18
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Solution
The fourth proportional to 7,478,347.26, 11,219,029.92 and 2,361,576.18 is: 3,542,840.80
Step by Step Solution
- Step 1: Write the proportion equation
7,478,347.26 : 11,219,029.92 = 2,361,576.18 : x - Step 2: Convert to fraction form
7,478,347.26/11,219,029.92 = 2,361,576.18/x - Step 3: Cross multiply
7,478,347.26x = 11,219,029.92 × 2,361,576.18 - Step 4: Simplify right side
7,478,347.26x = 26,494,593,821,779.31 - Step 5: Solve for x
x = 26,494,593,821,779.31/7,478,347.26 - Step 6: Final answer
x = 3,542,840.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.