Finding the Fourth Proportional to 7,205,430.99, 9,942,512.75 and 4,304,206.00
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Solution
The fourth proportional to 7,205,430.99, 9,942,512.75 and 4,304,206.00 is: 5,939,217.66
Step by Step Solution
- Step 1: Write the proportion equation
7,205,430.99 : 9,942,512.75 = 4,304,206.00 : x - Step 2: Convert to fraction form
7,205,430.99/9,942,512.75 = 4,304,206.00/x - Step 3: Cross multiply
7,205,430.99x = 9,942,512.75 × 4,304,206.00 - Step 4: Simplify right side
7,205,430.99x = 42,794,622,972,642.17 - Step 5: Solve for x
x = 42,794,622,972,642.17/7,205,430.99 - Step 6: Final answer
x = 5,939,217.66
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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.