Finding the Fourth Proportional to 8,288,490.12, 12,434,416.72 and 2,607,393.12
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Solution
The fourth proportional to 8,288,490.12, 12,434,416.72 and 2,607,393.12 is: 3,911,618.66
Step by Step Solution
- Step 1: Write the proportion equation
8,288,490.12 : 12,434,416.72 = 2,607,393.12 : x - Step 2: Convert to fraction form
8,288,490.12/12,434,416.72 = 2,607,393.12/x - Step 3: Cross multiply
8,288,490.12x = 12,434,416.72 × 2,607,393.12 - Step 4: Simplify right side
8,288,490.12x = 32,421,412,606,940.97 - Step 5: Solve for x
x = 32,421,412,606,940.97/8,288,490.12 - Step 6: Final answer
x = 3,911,618.66
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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.