Finding the Fourth Proportional to 13,276,596.31, 19,918,438.32 and 4,757,793.91
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Solution
The fourth proportional to 13,276,596.31, 19,918,438.32 and 4,757,793.91 is: 7,137,960.84
Step by Step Solution
- Step 1: Write the proportion equation
13,276,596.31 : 19,918,438.32 = 4,757,793.91 : x - Step 2: Convert to fraction form
13,276,596.31/19,918,438.32 = 4,757,793.91/x - Step 3: Cross multiply
13,276,596.31x = 19,918,438.32 × 4,757,793.91 - Step 4: Simplify right side
13,276,596.31x = 94,767,824,535,606.64 - Step 5: Solve for x
x = 94,767,824,535,606.64/13,276,596.31 - Step 6: Final answer
x = 7,137,960.84
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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.