Finding the Fourth Proportional to 8,238,276.80, 12,338,752.80 and 4,879,044.80
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Solution
The fourth proportional to 8,238,276.80, 12,338,752.80 and 4,879,044.80 is: 7,307,514.56
Step by Step Solution
- Step 1: Write the proportion equation
8,238,276.80 : 12,338,752.80 = 4,879,044.80 : x - Step 2: Convert to fraction form
8,238,276.80/12,338,752.80 = 4,879,044.80/x - Step 3: Cross multiply
8,238,276.80x = 12,338,752.80 × 4,879,044.80 - Step 4: Simplify right side
8,238,276.80x = 60,201,327,687,325.44 - Step 5: Solve for x
x = 60,201,327,687,325.44/8,238,276.80 - Step 6: Final answer
x = 7,307,514.56
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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.