Finding the Fourth Proportional to 16,197,171.99, 22,352,176.34 and 8,855,005.48
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Solution
The fourth proportional to 16,197,171.99, 22,352,176.34 and 8,855,005.48 is: 12,219,950.75
Step by Step Solution
- Step 1: Write the proportion equation
16,197,171.99 : 22,352,176.34 = 8,855,005.48 : x - Step 2: Convert to fraction form
16,197,171.99/22,352,176.34 = 8,855,005.48/x - Step 3: Cross multiply
16,197,171.99x = 22,352,176.34 × 8,855,005.48 - Step 4: Simplify right side
16,197,171.99x = 197,928,643,913,677.12 - Step 5: Solve for x
x = 197,928,643,913,677.12/16,197,171.99 - Step 6: Final answer
x = 12,219,950.75
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1.5x scale
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.