Finding the Fourth Proportional to 17,689,764.62, 26,534,795.44 and 4,911,265.78
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Solution
The fourth proportional to 17,689,764.62, 26,534,795.44 and 4,911,265.78 is: 7,366,939.90
Step by Step Solution
- Step 1: Write the proportion equation
17,689,764.62 : 26,534,795.44 = 4,911,265.78 : x - Step 2: Convert to fraction form
17,689,764.62/26,534,795.44 = 4,911,265.78/x - Step 3: Cross multiply
17,689,764.62x = 26,534,795.44 × 4,911,265.78 - Step 4: Simplify right side
17,689,764.62x = 130,319,432,823,772.06 - Step 5: Solve for x
x = 130,319,432,823,772.06/17,689,764.62 - Step 6: Final answer
x = 7,366,939.90
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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.