Finding the Fourth Proportional to 22,427,901.99, 30,950,499.98 and 12,114,625.19
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Solution
The fourth proportional to 22,427,901.99, 30,950,499.98 and 12,114,625.19 is: 16,718,180.18
Step by Step Solution
- Step 1: Write the proportion equation
22,427,901.99 : 30,950,499.98 = 12,114,625.19 : x - Step 2: Convert to fraction form
22,427,901.99/30,950,499.98 = 12,114,625.19/x - Step 3: Cross multiply
22,427,901.99x = 30,950,499.98 × 12,114,625.19 - Step 4: Simplify right side
22,427,901.99x = 374,953,706,623,426.25 - Step 5: Solve for x
x = 374,953,706,623,426.25/22,427,901.99 - Step 6: Final answer
x = 16,718,180.18
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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.