Finding the Fourth Proportional to 48,379,043.76, 72,572,745.80 and 13,364,145.84
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Solution
The fourth proportional to 48,379,043.76, 72,572,745.80 and 13,364,145.84 is: 20,047,373.48
Step by Step Solution
- Step 1: Write the proportion equation
48,379,043.76 : 72,572,745.80 = 13,364,145.84 : x - Step 2: Convert to fraction form
48,379,043.76/72,572,745.80 = 13,364,145.84/x - Step 3: Cross multiply
48,379,043.76x = 72,572,745.80 × 13,364,145.84 - Step 4: Simplify right side
48,379,043.76x = 969,872,758,880,447.38 - Step 5: Solve for x
x = 969,872,758,880,447.38/48,379,043.76 - Step 6: Final answer
x = 20,047,373.48
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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.