Finding the Fourth Proportional to 14,246,152.56, 19,659,759.84 and 7,719,780.24
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Solution
The fourth proportional to 14,246,152.56, 19,659,759.84 and 7,719,780.24 is: 10,653,334.29
Step by Step Solution
- Step 1: Write the proportion equation
14,246,152.56 : 19,659,759.84 = 7,719,780.24 : x - Step 2: Convert to fraction form
14,246,152.56/19,659,759.84 = 7,719,780.24/x - Step 3: Cross multiply
14,246,152.56x = 19,659,759.84 × 7,719,780.24 - Step 4: Simplify right side
14,246,152.56x = 151,769,025,535,977.56 - Step 5: Solve for x
x = 151,769,025,535,977.56/14,246,152.56 - Step 6: Final answer
x = 10,653,334.29
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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.