Finding the Fourth Proportional to 8,964,557.20, 13,446,835.80 and 2,232,971.20
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Solution
The fourth proportional to 8,964,557.20, 13,446,835.80 and 2,232,971.20 is: 3,349,456.80
Step by Step Solution
- Step 1: Write the proportion equation
8,964,557.20 : 13,446,835.80 = 2,232,971.20 : x - Step 2: Convert to fraction form
8,964,557.20/13,446,835.80 = 2,232,971.20/x - Step 3: Cross multiply
8,964,557.20x = 13,446,835.80 × 2,232,971.20 - Step 4: Simplify right side
8,964,557.20x = 30,026,397,072,528.96 - Step 5: Solve for x
x = 30,026,397,072,528.96/8,964,557.20 - Step 6: Final answer
x = 3,349,456.80
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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.