Finding the Fourth Proportional to 38,659,519.08, 53,350,347.20 and 22,765,297.32
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Solution
The fourth proportional to 38,659,519.08, 53,350,347.20 and 22,765,297.32 is: 31,416,234.47
Step by Step Solution
- Step 1: Write the proportion equation
38,659,519.08 : 53,350,347.20 = 22,765,297.32 : x - Step 2: Convert to fraction form
38,659,519.08/53,350,347.20 = 22,765,297.32/x - Step 3: Cross multiply
38,659,519.08x = 53,350,347.20 × 22,765,297.32 - Step 4: Simplify right side
38,659,519.08x = 1,214,536,516,019,403 - Step 5: Solve for x
x = 1,214,536,516,019,403/38,659,519.08 - Step 6: Final answer
x = 31,416,234.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.