Finding the Fourth Proportional to 11,933,509.38, 17,890,609.95 and 3,731,931.99
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Solution
The fourth proportional to 11,933,509.38, 17,890,609.95 and 3,731,931.99 is: 5,594,878.88
Step by Step Solution
- Step 1: Write the proportion equation
11,933,509.38 : 17,890,609.95 = 3,731,931.99 : x - Step 2: Convert to fraction form
11,933,509.38/17,890,609.95 = 3,731,931.99/x - Step 3: Cross multiply
11,933,509.38x = 17,890,609.95 × 3,731,931.99 - Step 4: Simplify right side
11,933,509.38x = 66,766,539,593,017.30 - Step 5: Solve for x
x = 66,766,539,593,017.30/11,933,509.38 - Step 6: Final answer
x = 5,594,878.88
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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.