Finding the Fourth Proportional to 16,399,510.75, 22,631,191.99 and 9,057,847.20
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Solution
The fourth proportional to 16,399,510.75, 22,631,191.99 and 9,057,847.20 is: 12,499,755.76
Step by Step Solution
- Step 1: Write the proportion equation
16,399,510.75 : 22,631,191.99 = 9,057,847.20 : x - Step 2: Convert to fraction form
16,399,510.75/22,631,191.99 = 9,057,847.20/x - Step 3: Cross multiply
16,399,510.75x = 22,631,191.99 × 9,057,847.20 - Step 4: Simplify right side
16,399,510.75x = 204,989,878,999,283.91 - Step 5: Solve for x
x = 204,989,878,999,283.91/16,399,510.75 - Step 6: Final answer
x = 12,499,755.76
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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.