Finding the Fourth Proportional to 8,228,032.74, 12,350,009.79 and 3,971,197.62
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Solution
The fourth proportional to 8,228,032.74, 12,350,009.79 and 3,971,197.62 is: 5,960,638.59
Step by Step Solution
- Step 1: Write the proportion equation
8,228,032.74 : 12,350,009.79 = 3,971,197.62 : x - Step 2: Convert to fraction form
8,228,032.74/12,350,009.79 = 3,971,197.62/x - Step 3: Cross multiply
8,228,032.74x = 12,350,009.79 × 3,971,197.62 - Step 4: Simplify right side
8,228,032.74x = 49,044,329,485,024.70 - Step 5: Solve for x
x = 49,044,329,485,024.70/8,228,032.74 - Step 6: Final answer
x = 5,960,638.59
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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.