Finding the Fourth Proportional to 8,430,556.49, 12,646,294.62 and 2,672,873.70
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Solution
The fourth proportional to 8,430,556.49, 12,646,294.62 and 2,672,873.70 is: 4,009,456.35
Step by Step Solution
- Step 1: Write the proportion equation
8,430,556.49 : 12,646,294.62 = 2,672,873.70 : x - Step 2: Convert to fraction form
8,430,556.49/12,646,294.62 = 2,672,873.70/x - Step 3: Cross multiply
8,430,556.49x = 12,646,294.62 × 2,672,873.70 - Step 4: Simplify right side
8,430,556.49x = 33,801,948,292,249.50 - Step 5: Solve for x
x = 33,801,948,292,249.50/8,430,556.49 - Step 6: Final answer
x = 4,009,456.35
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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.