Finding the Fourth Proportional to 7,528,879.68, 10,389,010.62 and 4,264,995.36
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Solution
The fourth proportional to 7,528,879.68, 10,389,010.62 and 4,264,995.36 is: 5,885,215.86
Step by Step Solution
- Step 1: Write the proportion equation
7,528,879.68 : 10,389,010.62 = 4,264,995.36 : x - Step 2: Convert to fraction form
7,528,879.68/10,389,010.62 = 4,264,995.36/x - Step 3: Cross multiply
7,528,879.68x = 10,389,010.62 × 4,264,995.36 - Step 4: Simplify right side
7,528,879.68x = 44,309,082,089,290.73 - Step 5: Solve for x
x = 44,309,082,089,290.73/7,528,879.68 - Step 6: Final answer
x = 5,885,215.86
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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.