Finding the Fourth Proportional to 19,576,719.44, 27,015,121.46 and 10,875,439.04
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Solution
The fourth proportional to 19,576,719.44, 27,015,121.46 and 10,875,439.04 is: 15,007,688.47
Step by Step Solution
- Step 1: Write the proportion equation
19,576,719.44 : 27,015,121.46 = 10,875,439.04 : x - Step 2: Convert to fraction form
19,576,719.44/27,015,121.46 = 10,875,439.04/x - Step 3: Cross multiply
19,576,719.44x = 27,015,121.46 × 10,875,439.04 - Step 4: Simplify right side
19,576,719.44x = 293,801,306,596,425.81 - Step 5: Solve for x
x = 293,801,306,596,425.81/19,576,719.44 - Step 6: Final answer
x = 15,007,688.47
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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.