Finding the Fourth Proportional to 14,698,153.88, 20,283,781.55 and 8,082,322.95
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Solution
The fourth proportional to 14,698,153.88, 20,283,781.55 and 8,082,322.95 is: 11,153,786.69
Step by Step Solution
- Step 1: Write the proportion equation
14,698,153.88 : 20,283,781.55 = 8,082,322.95 : x - Step 2: Convert to fraction form
14,698,153.88/20,283,781.55 = 8,082,322.95/x - Step 3: Cross multiply
14,698,153.88x = 20,283,781.55 × 8,082,322.95 - Step 4: Simplify right side
14,698,153.88x = 163,940,073,134,351.59 - Step 5: Solve for x
x = 163,940,073,134,351.59/14,698,153.88 - Step 6: Final answer
x = 11,153,786.69
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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.