Finding the Fourth Proportional to 13,040,125.94, 19,537,170.40 and 7,912,142.67
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Solution
The fourth proportional to 13,040,125.94, 19,537,170.40 and 7,912,142.67 is: 11,854,247.45
Step by Step Solution
- Step 1: Write the proportion equation
13,040,125.94 : 19,537,170.40 = 7,912,142.67 : x - Step 2: Convert to fraction form
13,040,125.94/19,537,170.40 = 7,912,142.67/x - Step 3: Cross multiply
13,040,125.94x = 19,537,170.40 × 7,912,142.67 - Step 4: Simplify right side
13,040,125.94x = 154,580,879,656,055.53 - Step 5: Solve for x
x = 154,580,879,656,055.53/13,040,125.94 - Step 6: Final answer
x = 11,854,247.45
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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.