Finding the Fourth Proportional to 10,987,942.07, 16,484,275.37 and 3,702,125.81
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Solution
The fourth proportional to 10,987,942.07, 16,484,275.37 and 3,702,125.81 is: 5,553,984.63
Step by Step Solution
- Step 1: Write the proportion equation
10,987,942.07 : 16,484,275.37 = 3,702,125.81 : x - Step 2: Convert to fraction form
10,987,942.07/16,484,275.37 = 3,702,125.81/x - Step 3: Cross multiply
10,987,942.07x = 16,484,275.37 × 3,702,125.81 - Step 4: Simplify right side
10,987,942.07x = 61,026,861,356,890.30 - Step 5: Solve for x
x = 61,026,861,356,890.30/10,987,942.07 - Step 6: Final answer
x = 5,553,984.63
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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.