Finding the Fourth Proportional to 17,689,719.80, 26,534,728.24 and 4,911,220.96
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Solution
The fourth proportional to 17,689,719.80, 26,534,728.24 and 4,911,220.96 is: 7,366,872.67
Step by Step Solution
- Step 1: Write the proportion equation
17,689,719.80 : 26,534,728.24 = 4,911,220.96 : x - Step 2: Convert to fraction form
17,689,719.80/26,534,728.24 = 4,911,220.96/x - Step 3: Cross multiply
17,689,719.80x = 26,534,728.24 × 4,911,220.96 - Step 4: Simplify right side
17,689,719.80x = 130,317,913,421,577.03 - Step 5: Solve for x
x = 130,317,913,421,577.03/17,689,719.80 - Step 6: Final answer
x = 7,366,872.67
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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.