Finding the Fourth Proportional to 19,664,204.64, 27,136,718.37 and 11,409,182.22
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Solution
The fourth proportional to 19,664,204.64, 27,136,718.37 and 11,409,182.22 is: 15,744,738.75
Step by Step Solution
- Step 1: Write the proportion equation
19,664,204.64 : 27,136,718.37 = 11,409,182.22 : x - Step 2: Convert to fraction form
19,664,204.64/27,136,718.37 = 11,409,182.22/x - Step 3: Cross multiply
19,664,204.64x = 27,136,718.37 × 11,409,182.22 - Step 4: Simplify right side
19,664,204.64x = 309,607,764,736,151.44 - Step 5: Solve for x
x = 309,607,764,736,151.44/19,664,204.64 - Step 6: Final answer
x = 15,744,738.75
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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.