Finding the Fourth Proportional to 21,484,888.88, 32,232,204.60 and 7,107,933.92
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Solution
The fourth proportional to 21,484,888.88, 32,232,204.60 and 7,107,933.92 is: 10,663,512.47
Step by Step Solution
- Step 1: Write the proportion equation
21,484,888.88 : 32,232,204.60 = 7,107,933.92 : x - Step 2: Convert to fraction form
21,484,888.88/32,232,204.60 = 7,107,933.92/x - Step 3: Cross multiply
21,484,888.88x = 32,232,204.60 × 7,107,933.92 - Step 4: Simplify right side
21,484,888.88x = 229,104,380,392,720.03 - Step 5: Solve for x
x = 229,104,380,392,720.03/21,484,888.88 - Step 6: Final answer
x = 10,663,512.47
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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.