Finding the Fourth Proportional to 38,539,037.14, 57,785,468.70 and 12,266,524.74
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Solution
The fourth proportional to 38,539,037.14, 57,785,468.70 and 12,266,524.74 is: 18,392,438.78
Step by Step Solution
- Step 1: Write the proportion equation
38,539,037.14 : 57,785,468.70 = 12,266,524.74 : x - Step 2: Convert to fraction form
38,539,037.14/57,785,468.70 = 12,266,524.74/x - Step 3: Cross multiply
38,539,037.14x = 57,785,468.70 × 12,266,524.74 - Step 4: Simplify right side
38,539,037.14x = 708,826,881,421,045.62 - Step 5: Solve for x
x = 708,826,881,421,045.62/38,539,037.14 - Step 6: Final answer
x = 18,392,438.78
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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.