Finding the Fourth Proportional to 17,689,759.88, 26,534,788.36 and 4,911,261.08
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Solution
The fourth proportional to 17,689,759.88, 26,534,788.36 and 4,911,261.08 is: 7,366,932.86
Step by Step Solution
- Step 1: Write the proportion equation
17,689,759.88 : 26,534,788.36 = 4,911,261.08 : x - Step 2: Convert to fraction form
17,689,759.88/26,534,788.36 = 4,911,261.08/x - Step 3: Cross multiply
17,689,759.88x = 26,534,788.36 × 4,911,261.08 - Step 4: Simplify right side
17,689,759.88x = 130,319,273,338,505.03 - Step 5: Solve for x
x = 130,319,273,338,505.03/17,689,759.88 - Step 6: Final answer
x = 7,366,932.86
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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.