Finding the Fourth Proportional to 8,189,599.68, 11,305,272 and 5,290,404.48
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Solution
The fourth proportional to 8,189,599.68, 11,305,272 and 5,290,404.48 is: 7,303,099.54
Step by Step Solution
- Step 1: Write the proportion equation
8,189,599.68 : 11,305,272 = 5,290,404.48 : x - Step 2: Convert to fraction form
8,189,599.68/11,305,272 = 5,290,404.48/x - Step 3: Cross multiply
8,189,599.68x = 11,305,272 × 5,290,404.48 - Step 4: Simplify right side
8,189,599.68x = 59,809,461,636,418.56 - Step 5: Solve for x
x = 59,809,461,636,418.56/8,189,599.68 - Step 6: Final answer
x = 7,303,099.54
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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.