Finding the Fourth Proportional to 11,290,561.37, 15,581,293.38 and 6,395,781.99
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Solution
The fourth proportional to 11,290,561.37, 15,581,293.38 and 6,395,781.99 is: 8,826,359.68
Step by Step Solution
- Step 1: Write the proportion equation
11,290,561.37 : 15,581,293.38 = 6,395,781.99 : x - Step 2: Convert to fraction form
11,290,561.37/15,581,293.38 = 6,395,781.99/x - Step 3: Cross multiply
11,290,561.37x = 15,581,293.38 × 6,395,781.99 - Step 4: Simplify right side
11,290,561.37x = 99,654,555,580,710.23 - Step 5: Solve for x
x = 99,654,555,580,710.23/11,290,561.37 - Step 6: Final answer
x = 8,826,359.68
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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.