Finding the Fourth Proportional to 14,373,823.84, 19,844,830.49 and 9,149,780.68
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Solution
The fourth proportional to 14,373,823.84, 19,844,830.49 and 9,149,780.68 is: 12,632,396.82
Step by Step Solution
- Step 1: Write the proportion equation
14,373,823.84 : 19,844,830.49 = 9,149,780.68 : x - Step 2: Convert to fraction form
14,373,823.84/19,844,830.49 = 9,149,780.68/x - Step 3: Cross multiply
14,373,823.84x = 19,844,830.49 × 9,149,780.68 - Step 4: Simplify right side
14,373,823.84x = 181,575,846,519,915.94 - Step 5: Solve for x
x = 181,575,846,519,915.94/14,373,823.84 - Step 6: Final answer
x = 12,632,396.82
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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.