Finding the Fourth Proportional to 10,699,489.26, 14,765,293.44 and 6,115,909.05
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Solution
The fourth proportional to 10,699,489.26, 14,765,293.44 and 6,115,909.05 is: 8,439,953.50
Step by Step Solution
- Step 1: Write the proportion equation
10,699,489.26 : 14,765,293.44 = 6,115,909.05 : x - Step 2: Convert to fraction form
10,699,489.26/14,765,293.44 = 6,115,909.05/x - Step 3: Cross multiply
10,699,489.26x = 14,765,293.44 × 6,115,909.05 - Step 4: Simplify right side
10,699,489.26x = 90,303,191,775,601.62 - Step 5: Solve for x
x = 90,303,191,775,601.62/10,699,489.26 - Step 6: Final answer
x = 8,439,953.50
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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.