Finding the Fourth Proportional to 18,337,370.36, 27,506,969.21 and 6,978,699.32
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Solution
The fourth proportional to 18,337,370.36, 27,506,969.21 and 6,978,699.32 is: 10,468,396.69
Step by Step Solution
- Step 1: Write the proportion equation
18,337,370.36 : 27,506,969.21 = 6,978,699.32 : x - Step 2: Convert to fraction form
18,337,370.36/27,506,969.21 = 6,978,699.32/x - Step 3: Cross multiply
18,337,370.36x = 27,506,969.21 × 6,978,699.32 - Step 4: Simplify right side
18,337,370.36x = 191,962,867,200,999.84 - Step 5: Solve for x
x = 191,962,867,200,999.84/18,337,370.36 - Step 6: Final answer
x = 10,468,396.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.