Finding the Fourth Proportional to 10,935,021.80, 16,402,532.70 and 6,683,493.80
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Solution
The fourth proportional to 10,935,021.80, 16,402,532.70 and 6,683,493.80 is: 10,025,240.70
Step by Step Solution
- Step 1: Write the proportion equation
10,935,021.80 : 16,402,532.70 = 6,683,493.80 : x - Step 2: Convert to fraction form
10,935,021.80/16,402,532.70 = 6,683,493.80/x - Step 3: Cross multiply
10,935,021.80x = 16,402,532.70 × 6,683,493.80 - Step 4: Simplify right side
10,935,021.80x = 109,626,225,604,747.25 - Step 5: Solve for x
x = 109,626,225,604,747.25/10,935,021.80 - Step 6: Final answer
x = 10,025,240.70
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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.