Finding the Fourth Proportional to 47,639,415.57, 71,462,538.87 and 19,945,464.54
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Solution
The fourth proportional to 47,639,415.57, 71,462,538.87 and 19,945,464.54 is: 29,919,626.80
Step by Step Solution
- Step 1: Write the proportion equation
47,639,415.57 : 71,462,538.87 = 19,945,464.54 : x - Step 2: Convert to fraction form
47,639,415.57/71,462,538.87 = 19,945,464.54/x - Step 3: Cross multiply
47,639,415.57x = 71,462,538.87 × 19,945,464.54 - Step 4: Simplify right side
47,639,415.57x = 1,425,353,534,969,956.75 - Step 5: Solve for x
x = 1,425,353,534,969,956.75/47,639,415.57 - Step 6: Final answer
x = 29,919,626.80
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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.