Finding the Fourth Proportional to 21,160,168.83, 31,740,647.06 and 6,014,493.99
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Solution
The fourth proportional to 21,160,168.83, 31,740,647.06 and 6,014,493.99 is: 9,021,852.92
Step by Step Solution
- Step 1: Write the proportion equation
21,160,168.83 : 31,740,647.06 = 6,014,493.99 : x - Step 2: Convert to fraction form
21,160,168.83/31,740,647.06 = 6,014,493.99/x - Step 3: Cross multiply
21,160,168.83x = 31,740,647.06 × 6,014,493.99 - Step 4: Simplify right side
21,160,168.83x = 190,903,930,951,008.72 - Step 5: Solve for x
x = 190,903,930,951,008.72/21,160,168.83 - Step 6: Final answer
x = 9,021,852.92
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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.