Finding the Fourth Proportional to 11,290,609.86, 15,581,360.34 and 6,395,830.44
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Solution
The fourth proportional to 11,290,609.86, 15,581,360.34 and 6,395,830.44 is: 8,826,426.56
Step by Step Solution
- Step 1: Write the proportion equation
11,290,609.86 : 15,581,360.34 = 6,395,830.44 : x - Step 2: Convert to fraction form
11,290,609.86/15,581,360.34 = 6,395,830.44/x - Step 3: Cross multiply
11,290,609.86x = 15,581,360.34 × 6,395,830.44 - Step 4: Simplify right side
11,290,609.86x = 99,655,738,759,180.75 - Step 5: Solve for x
x = 99,655,738,759,180.75/11,290,609.86 - Step 6: Final answer
x = 8,826,426.56
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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.