Finding the Fourth Proportional to 11,088,644.34, 15,317,306.64 and 8,355,987.84
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Solution
The fourth proportional to 11,088,644.34, 15,317,306.64 and 8,355,987.84 is: 11,542,549.67
Step by Step Solution
- Step 1: Write the proportion equation
11,088,644.34 : 15,317,306.64 = 8,355,987.84 : x - Step 2: Convert to fraction form
11,088,644.34/15,317,306.64 = 8,355,987.84/x - Step 3: Cross multiply
11,088,644.34x = 15,317,306.64 × 8,355,987.84 - Step 4: Simplify right side
11,088,644.34x = 127,991,228,025,391.27 - Step 5: Solve for x
x = 127,991,228,025,391.27/11,088,644.34 - Step 6: Final answer
x = 11,542,549.67
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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.