Finding the Fourth Proportional to 11,088,644.15, 15,317,306.38 and 8,355,987.65
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Solution
The fourth proportional to 11,088,644.15, 15,317,306.38 and 8,355,987.65 is: 11,542,549.41
Step by Step Solution
- Step 1: Write the proportion equation
11,088,644.15 : 15,317,306.38 = 8,355,987.65 : x - Step 2: Convert to fraction form
11,088,644.15/15,317,306.38 = 8,355,987.65/x - Step 3: Cross multiply
11,088,644.15x = 15,317,306.38 × 8,355,987.65 - Step 4: Simplify right side
11,088,644.15x = 127,991,222,991,284.45 - Step 5: Solve for x
x = 127,991,222,991,284.45/11,088,644.15 - Step 6: Final answer
x = 11,542,549.41
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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.