Finding the Fourth Proportional to 14,431,644.84, 19,908,119.28 and 8,923,258.92
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Solution
The fourth proportional to 14,431,644.84, 19,908,119.28 and 8,923,258.92 is: 12,309,428.68
Step by Step Solution
- Step 1: Write the proportion equation
14,431,644.84 : 19,908,119.28 = 8,923,258.92 : x - Step 2: Convert to fraction form
14,431,644.84/19,908,119.28 = 8,923,258.92/x - Step 3: Cross multiply
14,431,644.84x = 19,908,119.28 × 8,923,258.92 - Step 4: Simplify right side
14,431,644.84x = 177,645,302,945,684 - Step 5: Solve for x
x = 177,645,302,945,684/14,431,644.84 - Step 6: Final answer
x = 12,309,428.68
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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.