Finding the Fourth Proportional to 38,524,251.62, 57,785,711.58 and 12,965,261.03
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Solution
The fourth proportional to 38,524,251.62, 57,785,711.58 and 12,965,261.03 is: 19,447,667.45
Step by Step Solution
- Step 1: Write the proportion equation
38,524,251.62 : 57,785,711.58 = 12,965,261.03 : x - Step 2: Convert to fraction form
38,524,251.62/57,785,711.58 = 12,965,261.03/x - Step 3: Cross multiply
38,524,251.62x = 57,785,711.58 × 12,965,261.03 - Step 4: Simplify right side
38,524,251.62x = 749,206,834,366,761.62 - Step 5: Solve for x
x = 749,206,834,366,761.62/38,524,251.62 - Step 6: Final answer
x = 19,447,667.45
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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.