Finding the Fourth Proportional to 14,390,356.64, 19,858,953.12 and 7,864,262.24
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Solution
The fourth proportional to 14,390,356.64, 19,858,953.12 and 7,864,262.24 is: 10,852,824.50
Step by Step Solution
- Step 1: Write the proportion equation
14,390,356.64 : 19,858,953.12 = 7,864,262.24 : x - Step 2: Convert to fraction form
14,390,356.64/19,858,953.12 = 7,864,262.24/x - Step 3: Cross multiply
14,390,356.64x = 19,858,953.12 × 7,864,262.24 - Step 4: Simplify right side
14,390,356.64x = 156,176,015,147,546.19 - Step 5: Solve for x
x = 156,176,015,147,546.19/14,390,356.64 - Step 6: Final answer
x = 10,852,824.50
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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.