Finding the Fourth Proportional to 10,215,450.71, 15,318,564.83 and 2,927,243.44
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Solution
The fourth proportional to 10,215,450.71, 15,318,564.83 and 2,927,243.44 is: 4,389,543.80
Step by Step Solution
- Step 1: Write the proportion equation
10,215,450.71 : 15,318,564.83 = 2,927,243.44 : x - Step 2: Convert to fraction form
10,215,450.71/15,318,564.83 = 2,927,243.44/x - Step 3: Cross multiply
10,215,450.71x = 15,318,564.83 × 2,927,243.44 - Step 4: Simplify right side
10,215,450.71x = 44,841,168,317,603.17 - Step 5: Solve for x
x = 44,841,168,317,603.17/10,215,450.71 - Step 6: Final answer
x = 4,389,543.80
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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.