Finding the Fourth Proportional to 10,598,914.40, 15,879,709.20 and 8,695,349.60
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Solution
The fourth proportional to 10,598,914.40, 15,879,709.20 and 8,695,349.60 is: 13,027,713.77
Step by Step Solution
- Step 1: Write the proportion equation
10,598,914.40 : 15,879,709.20 = 8,695,349.60 : x - Step 2: Convert to fraction form
10,598,914.40/15,879,709.20 = 8,695,349.60/x - Step 3: Cross multiply
10,598,914.40x = 15,879,709.20 × 8,695,349.60 - Step 4: Simplify right side
10,598,914.40x = 138,079,623,040,336.31 - Step 5: Solve for x
x = 138,079,623,040,336.31/10,598,914.40 - Step 6: Final answer
x = 13,027,713.77
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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.