Finding the Fourth Proportional to 21,439,113.99, 29,586,164.73 and 11,649,558.14
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Solution
The fourth proportional to 21,439,113.99, 29,586,164.73 and 11,649,558.14 is: 16,076,492.07
Step by Step Solution
- Step 1: Write the proportion equation
21,439,113.99 : 29,586,164.73 = 11,649,558.14 : x - Step 2: Convert to fraction form
21,439,113.99/29,586,164.73 = 11,649,558.14/x - Step 3: Cross multiply
21,439,113.99x = 29,586,164.73 × 11,649,558.14 - Step 4: Simplify right side
21,439,113.99x = 344,665,746,081,083.88 - Step 5: Solve for x
x = 344,665,746,081,083.88/21,439,113.99 - Step 6: Final answer
x = 16,076,492.07
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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.