Finding the Fourth Proportional to 17,705,825.20, 26,558,737.80 and 11,659,207.60
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Solution
The fourth proportional to 17,705,825.20, 26,558,737.80 and 11,659,207.60 is: 17,488,811.40
Step by Step Solution
- Step 1: Write the proportion equation
17,705,825.20 : 26,558,737.80 = 11,659,207.60 : x - Step 2: Convert to fraction form
17,705,825.20/26,558,737.80 = 11,659,207.60/x - Step 3: Cross multiply
17,705,825.20x = 26,558,737.80 × 11,659,207.60 - Step 4: Simplify right side
17,705,825.20x = 309,653,837,604,167.25 - Step 5: Solve for x
x = 309,653,837,604,167.25/17,705,825.20 - Step 6: Final answer
x = 17,488,811.40
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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.