Finding the Fourth Proportional to 17,387,029.80, 26,080,415.10 and 5,256,469.80
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Solution
The fourth proportional to 17,387,029.80, 26,080,415.10 and 5,256,469.80 is: 7,884,665.52
Step by Step Solution
- Step 1: Write the proportion equation
17,387,029.80 : 26,080,415.10 = 5,256,469.80 : x - Step 2: Convert to fraction form
17,387,029.80/26,080,415.10 = 5,256,469.80/x - Step 3: Cross multiply
17,387,029.80x = 26,080,415.10 × 5,256,469.80 - Step 4: Simplify right side
17,387,029.80x = 137,090,914,344,613.98 - Step 5: Solve for x
x = 137,090,914,344,613.98/17,387,029.80 - Step 6: Final answer
x = 7,884,665.52
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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.