Finding the Fourth Proportional to 11,391,934.75, 15,720,888.98 and 6,235,622.98
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Solution
The fourth proportional to 11,391,934.75, 15,720,888.98 and 6,235,622.98 is: 8,605,170.12
Step by Step Solution
- Step 1: Write the proportion equation
11,391,934.75 : 15,720,888.98 = 6,235,622.98 : x - Step 2: Convert to fraction form
11,391,934.75/15,720,888.98 = 6,235,622.98/x - Step 3: Cross multiply
11,391,934.75x = 15,720,888.98 × 6,235,622.98 - Step 4: Simplify right side
11,391,934.75x = 98,029,536,479,934.19 - Step 5: Solve for x
x = 98,029,536,479,934.19/11,391,934.75 - Step 6: Final answer
x = 8,605,170.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.