Finding the Fourth Proportional to 10,469,071.99, 15,703,611.63 and 3,281,163.58
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Solution
The fourth proportional to 10,469,071.99, 15,703,611.63 and 3,281,163.58 is: 4,921,746.51
Step by Step Solution
- Step 1: Write the proportion equation
10,469,071.99 : 15,703,611.63 = 3,281,163.58 : x - Step 2: Convert to fraction form
10,469,071.99/15,703,611.63 = 3,281,163.58/x - Step 3: Cross multiply
10,469,071.99x = 15,703,611.63 × 3,281,163.58 - Step 4: Simplify right side
10,469,071.99x = 51,526,118,554,820.44 - Step 5: Solve for x
x = 51,526,118,554,820.44/10,469,071.99 - Step 6: Final answer
x = 4,921,746.51
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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.