Finding the Fourth Proportional to 37,036,820.19, 55,555,236.35 and 15,459,651.21
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Solution
The fourth proportional to 37,036,820.19, 55,555,236.35 and 15,459,651.21 is: 23,189,479.34
Step by Step Solution
- Step 1: Write the proportion equation
37,036,820.19 : 55,555,236.35 = 15,459,651.21 : x - Step 2: Convert to fraction form
37,036,820.19/55,555,236.35 = 15,459,651.21/x - Step 3: Cross multiply
37,036,820.19x = 55,555,236.35 × 15,459,651.21 - Step 4: Simplify right side
37,036,820.19x = 858,864,576,782,815.25 - Step 5: Solve for x
x = 858,864,576,782,815.25/37,036,820.19 - Step 6: Final answer
x = 23,189,479.34
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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.