Finding the Fourth Proportional to 7,587,213.70, 11,380,820.55 and 7,587,213.70
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Solution
The fourth proportional to 7,587,213.70, 11,380,820.55 and 7,587,213.70 is: 11,380,820.55
Step by Step Solution
- Step 1: Write the proportion equation
7,587,213.70 : 11,380,820.55 = 7,587,213.70 : x - Step 2: Convert to fraction form
7,587,213.70/11,380,820.55 = 7,587,213.70/x - Step 3: Cross multiply
7,587,213.70x = 11,380,820.55 × 7,587,213.70 - Step 4: Simplify right side
7,587,213.70x = 86,348,717,594,201.55 - Step 5: Solve for x
x = 86,348,717,594,201.55/7,587,213.70 - Step 6: Final answer
x = 11,380,820.55
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1.5x scale
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.