Finding the Fourth Proportional to 56,794,781.90, 85,204,614.45 and 18,449,770.70
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Solution
The fourth proportional to 56,794,781.90, 85,204,614.45 and 18,449,770.70 is: 27,678,697.70
Step by Step Solution
- Step 1: Write the proportion equation
56,794,781.90 : 85,204,614.45 = 18,449,770.70 : x - Step 2: Convert to fraction form
56,794,781.90/85,204,614.45 = 18,449,770.70/x - Step 3: Cross multiply
56,794,781.90x = 85,204,614.45 × 18,449,770.70 - Step 4: Simplify right side
56,794,781.90x = 1,572,005,599,184,406.50 - Step 5: Solve for x
x = 1,572,005,599,184,406.50/56,794,781.90 - Step 6: Final answer
x = 27,678,697.70
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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.