Finding the Fourth Proportional to 17,372,861.80, 26,062,403.10 and 7,276,503.40
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Solution
The fourth proportional to 17,372,861.80, 26,062,403.10 and 7,276,503.40 is: 10,916,057.87
Step by Step Solution
- Step 1: Write the proportion equation
17,372,861.80 : 26,062,403.10 = 7,276,503.40 : x - Step 2: Convert to fraction form
17,372,861.80/26,062,403.10 = 7,276,503.40/x - Step 3: Cross multiply
17,372,861.80x = 26,062,403.10 × 7,276,503.40 - Step 4: Simplify right side
17,372,861.80x = 189,643,164,769,320.56 - Step 5: Solve for x
x = 189,643,164,769,320.56/17,372,861.80 - Step 6: Final answer
x = 10,916,057.87
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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.