Finding the Fourth Proportional to 18,536,347.70, 27,804,521.55 and 17,276,635.70
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Solution
The fourth proportional to 18,536,347.70, 27,804,521.55 and 17,276,635.70 is: 25,914,953.55
Step by Step Solution
- Step 1: Write the proportion equation
18,536,347.70 : 27,804,521.55 = 17,276,635.70 : x - Step 2: Convert to fraction form
18,536,347.70/27,804,521.55 = 17,276,635.70/x - Step 3: Cross multiply
18,536,347.70x = 27,804,521.55 × 17,276,635.70 - Step 4: Simplify right side
18,536,347.70x = 480,368,589,632,149.31 - Step 5: Solve for x
x = 480,368,589,632,149.31/18,536,347.70 - Step 6: Final answer
x = 25,914,953.55
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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.