Finding the Fourth Proportional to 18,536,634.90, 27,804,952.35 and 12,474,270.90
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Solution
The fourth proportional to 18,536,634.90, 27,804,952.35 and 12,474,270.90 is: 18,711,406.35
Step by Step Solution
- Step 1: Write the proportion equation
18,536,634.90 : 27,804,952.35 = 12,474,270.90 : x - Step 2: Convert to fraction form
18,536,634.90/27,804,952.35 = 12,474,270.90/x - Step 3: Cross multiply
18,536,634.90x = 27,804,952.35 × 12,474,270.90 - Step 4: Simplify right side
18,536,634.90x = 346,846,507,975,491.62 - Step 5: Solve for x
x = 346,846,507,975,491.62/18,536,634.90 - Step 6: Final answer
x = 18,711,406.35
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1.5x scale
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.