Finding the Fourth Proportional to 12,709,745.62, 19,064,452.58 and 3,125,207.18
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Solution
The fourth proportional to 12,709,745.62, 19,064,452.58 and 3,125,207.18 is: 4,687,769.99
Step by Step Solution
- Step 1: Write the proportion equation
12,709,745.62 : 19,064,452.58 = 3,125,207.18 : x - Step 2: Convert to fraction form
12,709,745.62/19,064,452.58 = 3,125,207.18/x - Step 3: Cross multiply
12,709,745.62x = 19,064,452.58 × 3,125,207.18 - Step 4: Simplify right side
12,709,745.62x = 59,580,364,085,785.52 - Step 5: Solve for x
x = 59,580,364,085,785.52/12,709,745.62 - Step 6: Final answer
x = 4,687,769.99
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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.