Finding the Fourth Proportional to 17,832,821.70, 26,749,232.55 and 11,455,529.70
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Solution
The fourth proportional to 17,832,821.70, 26,749,232.55 and 11,455,529.70 is: 17,183,294.55
Step by Step Solution
- Step 1: Write the proportion equation
17,832,821.70 : 26,749,232.55 = 11,455,529.70 : x - Step 2: Convert to fraction form
17,832,821.70/26,749,232.55 = 11,455,529.70/x - Step 3: Cross multiply
17,832,821.70x = 26,749,232.55 × 11,455,529.70 - Step 4: Simplify right side
17,832,821.70x = 306,426,627,928,731.75 - Step 5: Solve for x
x = 306,426,627,928,731.75/17,832,821.70 - Step 6: Final answer
x = 17,183,294.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.