Finding the Fourth Proportional to 10,781,523.99, 16,175,527.62 and 6,468,322.59
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Solution
The fourth proportional to 10,781,523.99, 16,175,527.62 and 6,468,322.59 is: 9,704,428.69
Step by Step Solution
- Step 1: Write the proportion equation
10,781,523.99 : 16,175,527.62 = 6,468,322.59 : x - Step 2: Convert to fraction form
10,781,523.99/16,175,527.62 = 6,468,322.59/x - Step 3: Cross multiply
10,781,523.99x = 16,175,527.62 × 6,468,322.59 - Step 4: Simplify right side
10,781,523.99x = 104,628,530,709,614.92 - Step 5: Solve for x
x = 104,628,530,709,614.92/10,781,523.99 - Step 6: Final answer
x = 9,704,428.69
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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.