Finding the Fourth Proportional to 10,987,960.05, 16,484,302.35 and 3,702,143.79
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Solution
The fourth proportional to 10,987,960.05, 16,484,302.35 and 3,702,143.79 is: 5,554,011.60
Step by Step Solution
- Step 1: Write the proportion equation
10,987,960.05 : 16,484,302.35 = 3,702,143.79 : x - Step 2: Convert to fraction form
10,987,960.05/16,484,302.35 = 3,702,143.79/x - Step 3: Cross multiply
10,987,960.05x = 16,484,302.35 × 3,702,143.79 - Step 4: Simplify right side
10,987,960.05x = 61,027,257,577,534.91 - Step 5: Solve for x
x = 61,027,257,577,534.91/10,987,960.05 - Step 6: Final answer
x = 5,554,011.60
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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.