Finding the Fourth Proportional to 28,881,127.92, 43,321,357.91 and 7,021,630.99
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Solution
The fourth proportional to 28,881,127.92, 43,321,357.91 and 7,021,630.99 is: 10,532,365.29
Step by Step Solution
- Step 1: Write the proportion equation
28,881,127.92 : 43,321,357.91 = 7,021,630.99 : x - Step 2: Convert to fraction form
28,881,127.92/43,321,357.91 = 7,021,630.99/x - Step 3: Cross multiply
28,881,127.92x = 43,321,357.91 × 7,021,630.99 - Step 4: Simplify right side
28,881,127.92x = 304,186,589,229,737.62 - Step 5: Solve for x
x = 304,186,589,229,737.62/28,881,127.92 - Step 6: Final answer
x = 10,532,365.29
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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.