Finding the Fourth Proportional to 19,561,148.20, 29,313,728.70 and 14,403,327.40
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Solution
The fourth proportional to 19,561,148.20, 29,313,728.70 and 14,403,327.40 is: 21,584,378.76
Step by Step Solution
- Step 1: Write the proportion equation
19,561,148.20 : 29,313,728.70 = 14,403,327.40 : x - Step 2: Convert to fraction form
19,561,148.20/29,313,728.70 = 14,403,327.40/x - Step 3: Cross multiply
19,561,148.20x = 29,313,728.70 × 14,403,327.40 - Step 4: Simplify right side
19,561,148.20x = 422,215,231,780,876.38 - Step 5: Solve for x
x = 422,215,231,780,876.38/19,561,148.20 - Step 6: Final answer
x = 21,584,378.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.