Finding the Fourth Proportional to 17,944,658.40, 26,916,987.60 and 8,361,005.70
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Solution
The fourth proportional to 17,944,658.40, 26,916,987.60 and 8,361,005.70 is: 12,541,508.55
Step by Step Solution
- Step 1: Write the proportion equation
17,944,658.40 : 26,916,987.60 = 8,361,005.70 : x - Step 2: Convert to fraction form
17,944,658.40/26,916,987.60 = 8,361,005.70/x - Step 3: Cross multiply
17,944,658.40x = 26,916,987.60 × 8,361,005.70 - Step 4: Simplify right side
17,944,658.40x = 225,053,086,750,429.34 - Step 5: Solve for x
x = 225,053,086,750,429.34/17,944,658.40 - Step 6: Final answer
x = 12,541,508.55
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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.