Finding the Fourth Proportional to 16,187,857.60, 24,281,786.40 and 8,125,700.80
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Solution
The fourth proportional to 16,187,857.60, 24,281,786.40 and 8,125,700.80 is: 12,188,551.20
Step by Step Solution
- Step 1: Write the proportion equation
16,187,857.60 : 24,281,786.40 = 8,125,700.80 : x - Step 2: Convert to fraction form
16,187,857.60/24,281,786.40 = 8,125,700.80/x - Step 3: Cross multiply
16,187,857.60x = 24,281,786.40 × 8,125,700.80 - Step 4: Simplify right side
16,187,857.60x = 197,306,531,175,909.09 - Step 5: Solve for x
x = 197,306,531,175,909.09/16,187,857.60 - Step 6: Final answer
x = 12,188,551.20
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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.