Finding the Fourth Proportional to 26,182,326.09, 36,131,609.86 and 15,175,460.30
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Solution
The fourth proportional to 26,182,326.09, 36,131,609.86 and 15,175,460.30 is: 20,942,135.12
Step by Step Solution
- Step 1: Write the proportion equation
26,182,326.09 : 36,131,609.86 = 15,175,460.30 : x - Step 2: Convert to fraction form
26,182,326.09/36,131,609.86 = 15,175,460.30/x - Step 3: Cross multiply
26,182,326.09x = 36,131,609.86 × 15,175,460.30 - Step 4: Simplify right side
26,182,326.09x = 548,313,810,786,921.88 - Step 5: Solve for x
x = 548,313,810,786,921.88/26,182,326.09 - Step 6: Final answer
x = 20,942,135.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.