Finding the Fourth Proportional to 16,434,855.99, 22,679,271.39 and 8,992,356.93
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Solution
The fourth proportional to 16,434,855.99, 22,679,271.39 and 8,992,356.93 is: 12,408,998.50
Step by Step Solution
- Step 1: Write the proportion equation
16,434,855.99 : 22,679,271.39 = 8,992,356.93 : x - Step 2: Convert to fraction form
16,434,855.99/22,679,271.39 = 8,992,356.93/x - Step 3: Cross multiply
16,434,855.99x = 22,679,271.39 × 8,992,356.93 - Step 4: Simplify right side
16,434,855.99x = 203,940,103,251,217.22 - Step 5: Solve for x
x = 203,940,103,251,217.22/16,434,855.99 - Step 6: Final answer
x = 12,408,998.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.