Finding the Fourth Proportional to 14,125,484.60, 19,491,897.65 and 8,245,629.09
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Solution
The fourth proportional to 14,125,484.60, 19,491,897.65 and 8,245,629.09 is: 11,378,226.15
Step by Step Solution
- Step 1: Write the proportion equation
14,125,484.60 : 19,491,897.65 = 8,245,629.09 : x - Step 2: Convert to fraction form
14,125,484.60/19,491,897.65 = 8,245,629.09/x - Step 3: Cross multiply
14,125,484.60x = 19,491,897.65 × 8,245,629.09 - Step 4: Simplify right side
14,125,484.60x = 160,722,958,240,914.50 - Step 5: Solve for x
x = 160,722,958,240,914.50/14,125,484.60 - Step 6: Final answer
x = 11,378,226.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.