Finding the Fourth Proportional to 53,728,542.12, 80,584,939.44 and 26,427,506.88
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Solution
The fourth proportional to 53,728,542.12, 80,584,939.44 and 26,427,506.88 is: 39,637,387.46
Step by Step Solution
- Step 1: Write the proportion equation
53,728,542.12 : 80,584,939.44 = 26,427,506.88 : x - Step 2: Convert to fraction form
53,728,542.12/80,584,939.44 = 26,427,506.88/x - Step 3: Cross multiply
53,728,542.12x = 80,584,939.44 × 26,427,506.88 - Step 4: Simplify right side
53,728,542.12x = 2,129,659,041,474,983.25 - Step 5: Solve for x
x = 2,129,659,041,474,983.25/53,728,542.12 - Step 6: Final answer
x = 39,637,387.46
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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.