Finding the Fourth Proportional to 6,930,999.96, 9,560,691.75 and 4,348,196.70
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Solution
The fourth proportional to 6,930,999.96, 9,560,691.75 and 4,348,196.70 is: 5,997,946.70
Step by Step Solution
- Step 1: Write the proportion equation
6,930,999.96 : 9,560,691.75 = 4,348,196.70 : x - Step 2: Convert to fraction form
6,930,999.96/9,560,691.75 = 4,348,196.70/x - Step 3: Cross multiply
6,930,999.96x = 9,560,691.75 × 4,348,196.70 - Step 4: Simplify right side
6,930,999.96x = 41,571,768,317,067.23 - Step 5: Solve for x
x = 41,571,768,317,067.23/6,930,999.96 - Step 6: Final answer
x = 5,997,946.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.