Finding the Fourth Proportional to 47,770,434.84, 71,641,770.18 and 18,617,785.62
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Solution
The fourth proportional to 47,770,434.84, 71,641,770.18 and 18,617,785.62 is: 27,921,268.10
Step by Step Solution
- Step 1: Write the proportion equation
47,770,434.84 : 71,641,770.18 = 18,617,785.62 : x - Step 2: Convert to fraction form
47,770,434.84/71,641,770.18 = 18,617,785.62/x - Step 3: Cross multiply
47,770,434.84x = 71,641,770.18 × 18,617,785.62 - Step 4: Simplify right side
47,770,434.84x = 1,333,811,118,648,549 - Step 5: Solve for x
x = 1,333,811,118,648,549/47,770,434.84 - Step 6: Final answer
x = 27,921,268.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.