Finding the Fourth Proportional to 8,349,710.85, 12,520,618.74 and 3,234,536.55
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Solution
The fourth proportional to 8,349,710.85, 12,520,618.74 and 3,234,536.55 is: 4,850,275.62
Step by Step Solution
- Step 1: Write the proportion equation
8,349,710.85 : 12,520,618.74 = 3,234,536.55 : x - Step 2: Convert to fraction form
8,349,710.85/12,520,618.74 = 3,234,536.55/x - Step 3: Cross multiply
8,349,710.85x = 12,520,618.74 × 3,234,536.55 - Step 4: Simplify right side
8,349,710.85x = 40,498,398,943,144.95 - Step 5: Solve for x
x = 40,498,398,943,144.95/8,349,710.85 - Step 6: Final answer
x = 4,850,275.62
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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.