Finding the Fourth Proportional to 22,493,545.68, 31,041,240.84 and 12,180,269.64
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Solution
The fourth proportional to 22,493,545.68, 31,041,240.84 and 12,180,269.64 is: 16,808,852.14
Step by Step Solution
- Step 1: Write the proportion equation
22,493,545.68 : 31,041,240.84 = 12,180,269.64 : x - Step 2: Convert to fraction form
22,493,545.68/31,041,240.84 = 12,180,269.64/x - Step 3: Cross multiply
22,493,545.68x = 31,041,240.84 × 12,180,269.64 - Step 4: Simplify right side
22,493,545.68x = 378,090,683,391,380.12 - Step 5: Solve for x
x = 378,090,683,391,380.12/22,493,545.68 - Step 6: Final answer
x = 16,808,852.14
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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.