Finding the Fourth Proportional to 9,715,732.62, 13,402,868.31 and 5,792,721.99
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Solution
The fourth proportional to 9,715,732.62, 13,402,868.31 and 5,792,721.99 is: 7,991,069.02
Step by Step Solution
- Step 1: Write the proportion equation
9,715,732.62 : 13,402,868.31 = 5,792,721.99 : x - Step 2: Convert to fraction form
9,715,732.62/13,402,868.31 = 5,792,721.99/x - Step 3: Cross multiply
9,715,732.62x = 13,402,868.31 × 5,792,721.99 - Step 4: Simplify right side
9,715,732.62x = 77,639,089,938,150.39 - Step 5: Solve for x
x = 77,639,089,938,150.39/9,715,732.62 - Step 6: Final answer
x = 7,991,069.02
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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.