Finding the Fourth Proportional to 7,805,287.98, 11,699,391.33 and 4,018,998.06
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Solution
The fourth proportional to 7,805,287.98, 11,699,391.33 and 4,018,998.06 is: 6,024,099.45
Step by Step Solution
- Step 1: Write the proportion equation
7,805,287.98 : 11,699,391.33 = 4,018,998.06 : x - Step 2: Convert to fraction form
7,805,287.98/11,699,391.33 = 4,018,998.06/x - Step 3: Cross multiply
7,805,287.98x = 11,699,391.33 × 4,018,998.06 - Step 4: Simplify right side
7,805,287.98x = 47,019,831,058,450.82 - Step 5: Solve for x
x = 47,019,831,058,450.82/7,805,287.98 - Step 6: Final answer
x = 6,024,099.45
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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.