Finding the Fourth Proportional to 29,135,999.70, 43,703,999.55 and 9,960,383.70
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Solution
The fourth proportional to 29,135,999.70, 43,703,999.55 and 9,960,383.70 is: 14,940,575.55
Step by Step Solution
- Step 1: Write the proportion equation
29,135,999.70 : 43,703,999.55 = 9,960,383.70 : x - Step 2: Convert to fraction form
29,135,999.70/43,703,999.55 = 9,960,383.70/x - Step 3: Cross multiply
29,135,999.70x = 43,703,999.55 × 9,960,383.70 - Step 4: Simplify right side
29,135,999.70x = 435,308,604,742,627.25 - Step 5: Solve for x
x = 435,308,604,742,627.25/29,135,999.70 - Step 6: Final answer
x = 14,940,575.55
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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.