Finding the Fourth Proportional to 71,828,464.10, 107,742,697.58 and 17,241,049.62
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Solution
The fourth proportional to 71,828,464.10, 107,742,697.58 and 17,241,049.62 is: 25,861,574.77
Step by Step Solution
- Step 1: Write the proportion equation
71,828,464.10 : 107,742,697.58 = 17,241,049.62 : x - Step 2: Convert to fraction form
71,828,464.10/107,742,697.58 = 17,241,049.62/x - Step 3: Cross multiply
71,828,464.10x = 107,742,697.58 × 17,241,049.62 - Step 4: Simplify right side
71,828,464.10x = 1,857,597,195,169,434 - Step 5: Solve for x
x = 1,857,597,195,169,434/71,828,464.10 - Step 6: Final answer
x = 25,861,574.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.